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Mathematics Questions and Answers February 03, 2021

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A poultry farm sells eggs classified as large, which requires the mean weight of the individual eggs to be 2 oz. The department of weights and measures weighs a random sample of 500 eggs to determine if the mean weight is less than 2 oz at a significance level of 0.05 . The results of the sample are given below The mean is= 2.0029342, variance=

1.What happens to the margin of error if you increase the confidence level?What happens to the precision of the interval estimate? p = 0.70 multiplier margin of error confidence interval confidence interval SE(p) = 0.065 Z* . SE in the form in interval form p t margin of error 80% confidence interval 1.28 1.28 . 0.065 =0.083 0.70+ 0.083 [0.62,
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OF Find the indicated IQ score. The graph to the right depicts IQ scores of adults, and those scores are normally distributed with a mean of 100 and a standard deviation of 15. Click to view page 1 of the table. Click to view page 2 of the table. 0.6 X The indicated IQ score, x, is (Round to one decimal place as needed.)
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Can someone help me with these questions please Data was collected on 500 Amazon shoppers on the amount of dollars spent each month, here is a summary: N X S q1 med 93 500 126.73 15.23 99.32 125.15 160.19 28. % of shoppers spent more than $160.19 29. % of shoppers spent less than $ 99.32 30. % of shoppers spent below $160. 19 31. % of shoppers
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Mechanical components are being produced continuously. A quality control program for the mechanical components requires a close estimate of the proportion defective in production when all settings are correct. 1020 components are examined under these conditions, and 27 of the 1020 items are found to be defective. (a) Find a point estimate of the
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Behavioral testing in rodents is one of the necessary steps needed for the creation of new medication. To test a pharmaceutical intervention, the researcher performs an assortment of specialized behavioral mazes designed for rodent behavior testing. The researcher is interested in how long a mouse takes to get through a maze. For one particular

of winning the game is 0.1667. Find your expected winnings. Use the Central Limit Theorem and following scenario for #27 and #28. The upper leg length of a 20 to 29 year old man is approximately normal with a mean length of 43.7 cm and standard deviation of 4.2 cm. 27. A random sample of 15 men are selected. Find the mean and standard deviation.
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The amount of calories consumed by customers at the Chinese buffet is normally distributed with mean 2875 and standard deviation 656. One randomly selected customer is observed to see how many calories X that customer consumes. Round all answers to 4 decimal places where possible. a. What is the distribution of X? X ~ N( , ) b. Find the

Mendoza y Asociados, una empresa especializada en preparar devoluciones fiscales, declara que la media del reembolso para los clientes que recibieron devoluciones el ao anterior fue de 150 mil pesos. Para una muestra aleatoria de 12 clientes que recibieron devoluciones el ao anterior, se encontr que la media de la cantidad reembolsada era de 125

A claim is made that there is no correlation between fuel efficiency and cargo capacity in pickup trucks. A sample of 9 models of pickup trucks were ranked according to their fuel efficiency and their cargo capacity. These ranks are given in the table below. Model Fuel Efficiency Cargo Capacity A 4 2 B 8 w UT C 4 D 2 5 E 8 3 F 9 7 G 6 9 H 6 Round
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Need answer ASAp Problem 1. (3 points) A multinomial experiment with k = 3 cells and n = 320 produced the data shown below. Cell 1 Cell 2 Cell 3 ni 87 70 163 If the null hypothesis is Ho : P1 = .25, p2 = .25, p3 - .5 and using a = 0.05, then do the following: (a) Find the expected value of Cell 1. E(Cell 1) =1 (b) Find the expected value of Cell
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12. In a study of 200 accidents that required treatment in an emergency room, 80 of the accidents occurred at home. DE 6Z OZ a) Find a 95% confidence interval for the population proportion of accidents treated in the 2 01 emergency room that occurs at home. b) Find a 99% confidence interval for the same value. c) Find a 90% confidence interval for
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One of the leading issues surrounding a recent London, Ontario municipal election was in regard to BRT (Bus Rapid Transit).As part of its pre-election coverage the London Free Press (London's local newspaper) wanted to investigate this hot button issue.With the help of the marketing research firm Forum Research a poll was taken of a random cross

The following question involves a standard deck of 52 playing cards. In such a deck of cards there are four suits of 13 cards each. The four suits are: hearts, diamonds, clubs, and spades. The 26 cards included in hearts and diamonds are red. The 26 cards included in clubs and spades are black. The 13 cards in each suit are: 2, 3, 4, 5, 6, 7, 8,

The following table shows the sales of a product over a period of 7 weeks. Week 1 2 3 4 5 6 7 Demand 9 8 10 12 15 12 11 1 Please make a forecast for week 8 using moving average (3). Please also calculate the mean absolution deviation (MAD) for this forecasting method 2 Please make a forecast for week 8 using exponential smoothing (0.1). Compare

1. A company wanted to know if attending a course on "how to be a successful salesperson" can increase the average sales of its employee. The company sent five of its salespersons to attend this course. The following table gives the one-week sales of these salespersons before and after they attended this course. Before 12 18 22 12 16 After 16 20

PLEASE ROUND EACH PROB AS FRACTIONS (simplified) or round 4 decimal places BINOMIAL DISTRIBUTION III. Use the data set for the Registered Voters A. Find the probability that a randomly selected Statistics student is a registered voter. B. Construct and graph the binomial distribution for the number of voters when 10 students are selected. C. Find
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Write 2 research questions based on the variables in the table and answer them using the statistics provided. Could you come up with some explanations for the results? Chapter 9 . Correlation TABLE 9.5 Example of a Correlation Matrix, Showing p levels Variable 2 W 4 1. Income 2. Age .04 3. Functional disability -.26* * 29* * 4. Social support .06
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View Policies Current Attempt in Progress The time between arrivals of small aircraft at a county airport is exponentially distributed with a mean of one hour. Round the answers to 3 decimal places. (a) What is the probability that more than three aircraft arrive within an hour? 0.019 (b) If 30 separate one-hour intervals are chosen, what is the
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Correlations Motivation GPA Testl Testz Mouvation Pearson Correlation 1 .812 569 -.551 Sig. (2-tailed)
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Hello, Can you help me to analyze the graph What are your findings in the food bar graph or the data? What type of distribution is, (1 Unimodal, 2 Symmetric, 3 Nonskewed, 3 Nonsymmetric, 4 Skewed to the right or left, or 6 bimodal????? and explain I have the following data \f\f
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Listed below are the lead concentrations in up/g measured in different traditional medicines. Use a 0.01 significance level to test the claim that the mean lead concentration for all such medicines is less than 17 ug/g. Assume that the sample is a simple random sample. 13 17.5 20 6 9.5 18 17 14 17.5 14 Assuming all conditions for conducting a
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A study was conducted to measure the effectiveness of hypnotism in reducing pain. The measurements are centimeters on a pain scale before and after hypnosis. Assume that the paired sample data are simple random samples and that the differences have a distribution that is approximately normal. Construct a 95% confidence interval for the mean of the

This table was already graded and the answers are correct but I need a detailed* explanation as to how the answers were derived? Use the following information to answer questions 24-29. Report your answer as a percentage rounded to the nearest hundredth unless otherwise noted. You do not need to include the percent symbol in your answers on
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CONFIDENCE INTERVAL This is your sample! After you have found the Frequency and Relative Frequency of each color, find the Estimated the proportion of EACH M&M's of that color, the Mo E and the LB and the UB of a 95% Confidence Interval for the proportion of EACH color. Color Frequency Relative Frequency Mo E Lower Bound Upper Bound X P(x), p-hat
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The international bank UBS regularly produces a report (UBS, 2009) on prices and earnings in major cities throughout the world. Three of the measures they include are prices of 1kg of rice, a 1kg loaf of bread and the price of a Big Mac. An interesting feature of the prices they report is measured in the minutes of labor required for a 'typical'

What percentage of data in a normal distribution has values which lie between one standard deviation greater than the mean and two standard deviations greater than the mean? (Suggestion, sketch this out - and of course, watch lecture closely). Which of the following is not a property of normal distributions? changes concavity once O smooth
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10.9 A problem with a telephone line that prevents a customer from receiving or making calls is upsetting to both the customer and the telephone company. The file phone contains samples of 20 problems reported to two different offices of a telephone company and the time to clear these problems (in minutes) from the customers' lines: Central Office

Ex 1: A survey asked college students the number of times that they had gone out to eat in the previous week. The data collected are as follows: 4 7 5 2 4 3 3 6 4 4 2 5 6 1 5 5 1 6 4 6 4 4 5 2 4 5 4 6 3 Look at the data. What trends or conclusions can you see? Finish the frequency distribution of the above data: x (# times eating out) Tally marks

Find the answer to data released in 2016, 69% of students in the United States enroll in college directly after high school graduation. Suppose a sample of 208 recent high school graduates is randomly selected. After verifying the conditions for the Central Limit Theorem are met, find the probability that at most 64% enrolled in college directly
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1: Find variance and chebyshev's theorem from this survey Question ? What are the reasons that make you more interested in reading the news ? 50 responses To Keep the Habit 7 (14%) To Simply Pass Time 22 (44%) To Get Latest Updates and News 24 (48%) To Find Information on Job 27 (54%) Opening Jokes -1 (2%) Crime -1 (2%) 10 20 30If yes. how many
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Question 32 In a chi-square test of homogeneity, the observed and expected frequencies are C C1 C2 C3 Total R1 16.8 19.2 24.0 60.0 R2 18.2 20.8 26.0 65.0 Total 35.0 40.0 50.0 125.0 The observed test statistic is about: 0 4.25. . 2.20. O 1.?0. o 3.10. Question 33 In a. chi-square test of independence, the observed and expected frequencies oii R R1
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Ch13.3) True or False? Refer to the following regression results. The dependent variable is Abort (the number of abortions per 1000 women of childbearing age). The regression was estimated using a dataset of the 50 U.S. states (n=50) with 4 predictors (k=4): EdSpend = public K-12 school expenditure per capita, Age = median age of population, Unmar
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3. A Poisson process Suppose that customers are arriving at a ticket booth at rate of five per minute, according to a Poisson process. (a) (5 pts) Find the probability that starting from time 0, the 9th customer doesn't arrive within 5 minutes. (b) (5 pts) Find the probability that at least one customer arrives within 40 seconds after the arrival
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Date: 121 Time: 14:33 1. 37% adults favor the use of unmanned drones by police agencies. Twelve U.S. adults are randomly selected. Find the probability that the number of U.S. adults who favor the use of unmanned drones by police agencies is (a) exactly three, (b) at least four, (c) less than eight. (a) P(3) = (Round to three decimal places as
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An advertising firm wishes to demonstrate to its clients the effectiveness of the advertising campaigns it has conducted. The following bivariate data on twelve recent campaigns, including the cost of each campaign (in millions of dollars) and the resulting percentage increase in sales following the campaign, were presented by the firm. Based on
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The cholesterol levels of a group of people who eat a diet rich in animal protein are measured.Among a sample of 9 of them, aged 30-49, the sample mean cholesterol level was found to be 205 mg/dl.If the mean cholesterol level in the general population in this age group is 180 mg/dl, test the hypothesis (use the 5% level of significance) that

Find the answer When asked whether marriage is becoming obsolete, 775 out of 2070 randomly selected adults answering a particular survey said yes. We are testing the hypothesis that the population proportion that believes marriage is becoming obsolete is more than 36% using a significance level of 0.05. One of the following figures is correct.
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Random samples of students from three different clusters of Open University Malaysia were asked how much time they spend per week studying. The results (in minutes) for the three clusters are collected from sample of n,=5, n2=4 and n3=3. A partially completed Analysis of Variance table is shown in Table 1. Table 1 Source Sum of Degrees of F
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pls help with hw question The time required for an automotive center to complete an oil change service on an automobile approximately follows a normal distribution, with a mean of 19 minutes and a standard deviation of 2 minutes. (a) The automotive center guarantees customers that the service will take no longer than 20 minutes. If it does take
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The chart below consists of different ages of the 545 individuals that are incarcerated. Settings Variable to Graph HISTOGRAM BOX PLOT DOT PLOT SCATTER PLOT BAR CHART PIE CHART PROBABILITY PLOT Age XV 457 40 Number of observations 35 30 25 oJ . Age 24 30 35 50 55 60 Summary Table Mean Standard Deviation N Minimum Value Q1 Median Q3 Maximum Value
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Help with a a-d!!! these are practice questions for a test- not a actual assignment more quiz. I need to see how it's done and what the actual answer is because I got them all wrong when I tried. Can you PLS write it on paper it's easier for me to read! 7. Decide whether the following scenarios are permutations or combinations and then answer each
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QUESTION 34 A study randomly assigned adult subjects to one of three exercise treatments: (1) a single long exercise period five days per week; (2) several ten-minute exercise periods five days per week; and (3) several ten-minute periods five days per week using a home treadmill. The study report contains the following summary statistics about

A researcher is interested in determining whether men's and women's attitudes on the environment differ.To do so 100 men and 100 women were randomly sampled and asked: "Do you think the environment is a major concern currently?"Of those sampled, 67 women and 53 men responded that they believed it is.Suppose a 93% confidence interval for the study

Question 4 Assume the below life table was constructed from following individuals who were diagnosed with slow-progressing form of prostate cancer and decided not to receive treatment of any form. The Kaplan-Meier approach is used to calculate the survival probability. [In regard to rounding in your calculation, choose the answer closest to your

Stat 2150 - Worksheet 4 Question 1 An alphabet has six letters: a, b, c, d, e, and f. Suppose that a four- letter "word" is to be formed by selecting four letters at random, with replacement. What is the probability that this word... (a) Contains no repeated letters? (b) has a or b as the first letter? (c) does not contain the letter c? (d)
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Sta 228_statistics_quiz 1.pdf * + G Tep | C:/Users/User/Downloads/Documents/Sta%20228_statistics_quiz%201.pdf ... M Gmail @ YouTube ) Maps f Facebook 1 cua 2 Q - + | Lugt xem trang | A Docto | V ve To sang " ( X6: | 9 I. CAU HOI DANG TRA LOI NGAN (50 diem)/ Short answer questions Cau 1 (10 diem)/ Question 1: In a Statistics class, there are 50
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Answer..... A black box f has either a four sided die marked 1 through 4, or four coins. If f is four coins, then each time f is activated, it ips the coins and reports how many heads there are (the probability distribution in this case is that the result is 0, 1, 2, 3, 4 with probability 1/16, 1/4, 3/8, 1/4, 1/16). If a distinguishing algorithm
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Among 19- to 24-year-olds, 35% say they have operatedheavymachinery while under the influence of alcohol. Suppose six 19- to 24-year-olds are selected at random. Complete parts (a) through (d) below. (a) What is the probability that all five have writtenaneditorialletter while under the influence of alcohol? (Round to four decimal places as

Q 16 Question 16 Suppose the heights among overweight patients are normally distributed with a mean of 70 in. and a standard deviation of 3 in. What is the probability that a randomly selected overweight patient will be between 65 in. and 74 in. tall? Select one: a. 0.05 b. 0.14 c. 0.41 d. 0.45 e. 0.86 Q 17 Question 17 Assume the population of

While working at Jimmy John's last week, Hal noticed that he was running out of lettuce and became suspicious that the manufacturer was underfilling the lettuce bags. To see if the bags have the stated weight of 15 pounds, he randomly selected 13 bags and found a sample mean of 14.39 pounds with a sample standard deviation of 0.539 pounds. Is this
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Show all work 11. A study attempts to compare two sunscreens. Each of 50 subjects with varying skin complexions will use both sunscreens-Screen A on one side of the body and Screen B on the other side. For each subject, a coin is tossed to determine which side receives Screen A and which receives Screen B. Researchers measure the amount of
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Test: Week 1 Test ... Question 19 This Test: 100 pts possible Submit Test In a study of 817 randomly selected medical malpractice lawsuits, it was found that 486 of them were dropped or dismissed. Use a 0.05 significance level to test the claim that most medical malpractice lawsuits are dropped or dismissed. . . . . . Which of the following is the
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Question 5 (1 point) Give a brief (one-sentence) explanation for your answer to the following. In which case is it more likely for the proportion of heads to be close to one- half: if you flip a fair coin 10 times or if you flip a fair coin 200 times? 4v Question 6 (1 point) Give a brief (one-sentence) explanation for your answer to the following.
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A regression model to predict Y, the state-by-state 2005 burlary crime rate per 100,000 people, used the following four state predictors : X1,= median age in 2005 X2= number of 2005 bankruptcies per 1,000 people, X3= 2004 federal expenditures per capita, and ( a leading predict) and X4 =2005 high school graduation persentage Fill in the values in

After graduating, you decide to apply for positions as a statistical consultant. A friend who graduated a few years prior and already works in the field has sent you the following set of scenarios. If she is impressed by your responses, she will recommend your name to the hiring team. For each response, be sure to fully explain your reasoning. a)

Solve clearly The probability distribution of the life of a machine is as shown in Table below Machine life ( hours) probability 1000 0.2 1300 0.35 1600 0.45 When the machine stops, a repairperson is called. The delay time of the repairperson's arriving at the machine is also a random variable, with the distribution given in below: Delay Time
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please answer 1 & 2 1. For the following claim, write out (using the correct notation) the null and the alternative hypothesis. Clearly identify which hypothesis is the "claim" and indicate if the test is left tailed, right tailed, or two tailed. Claim: The mean IQ of statistics teachers is greater than 120. 2. A fast food outlet claims that the
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Find the area under the standard normal distribution curve to the left of z= -1.22 and to the right of z=0.33. Use The Standard Normal Distribution Table and enter the answer to 4 decimal places. The total area isFind the z value that corresponds to the given area in the figure below. Use a graphing calculator and round the answer to four decimal
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dentify a quality improvement opportunity in your organization or practice. Describe the problem or issue and propose a quality improvement initiative based on evidence-based practice. Apply "The Road to Evidence-Based Practice" process, illustrated in Chapter 4 of your textbook, to make your proposal. Include the following: 1.Provide an overview

E) Present the probability distribution for the sum of two six-sided dice (i.e., list the possible values of the random variable, X and each value's corresponding probability) in your document. Use the x-axis above and rules of theoretical probability to help you calculate your probabilities. (Hint: there are 36 outcomes.) Present the
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Question 73 1 pt Imagine two studies that are identical in every respect except their p-values and effect sizes. Sample A has a sample size of n = 60 and a p-value of .02. Sample B has a sample size of n = 60 and a p-value of .08. Which sample likely had the larger effect size? O Sample B They are the same O Cannot be determined without additional
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The proportion of left-handed people in the general population is about 0.1. Suppose a random sample of 225 people is observed. Using our "rule of thumb," can we use normal approximation values for this sampling distribution? Yes + np and nq = (Click to view hint) What is the mean of the sample proportion? Hp (Click to view hint) What is the
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The workweek for adults in the US that work full time is normally distributed with a mean of 47 hours. A newly hired engineer at a start-up company believes that employees at start-up companies work more on average then working adults in the US. She asks 15 engineering friends at start-ups for the lengths in hours of their workweek. Their

Complete Two-Sample T-Test using the following information: Fred grows tomatoes in two separate fields so that he can test whether two different fertilizers make the tomatoes grow bigger. Once the tomatoes are ready to be picked, he is curious as two whether the tomatoes differ in size due to the fertilizer used. Fred decides to take a random

Can you help me solve the following problem with detailed explanation of the steps: 1.A certain flight arrives on time 84 percent of the time. Suppose 119 flights are randomly selected. Use the normal approximation to the binomial to approximate the probability that (a) exactly 96 flights are on time. (b) at least 96 flights are on time. (c) fewer

Q.4 Tom throws a fair die repeatedly. If Tom throws the die n times, and let N,, denote the number of distinct faces of the die that he has seen, then find the mean and variance of N,. If X denotes the number of times Tom has to throw the die in order to see each face of the die at least once, then find the mean and variance of X
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QUESTION 5 (15) Read the following case extract and answer ALL questions that follow. As part of a post-merger audit of a recently merged Johannesburg-based software company, Frontier Technologies Ltd, the human resources manager wants to scrap one of two legacy graduate internship training programmes. The human resources manager has resolved that
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d) Is there a significant difference in 3-year returns between these two kinds of funds? Use a = 0.1. It appears that there is between the two kinds of funds because there is evidence to reject the null hypothesis. No difference Sufficient StatCrunch Tech Help A difference insufficient Time Remaining: 01:26:53 Next= Quiz: M9-Ch14 Quiz Question 6
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3 pop proportions The medical researcher is comparing two treatments for lowering cholesterol: diet and meds. The researcher wants to see if the patients who receive the recommendation to change their diet have more success lowering cholesterol compared to a prescription of meds. A random sample of some patients who received the recommendation to
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A manufacturing company regularly conducts quality control checks at specified periods on the products it manufactures. Historically, the failure rate for LED light bulbs that the company manufactures is 13% Suppose a random sample of 10 LED light bulbs is selected. Complete parts (a) through (d) below. a. What is the probability that none of the
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Merging and Cleaning(20 Points) The first objective is to combine those files and stack them asthree large files, one for each time period.Run basic EDA and descriptive statistics on some columns and clean any obvious outliersfrom each time period. Make sure that no more than 1% of the data are removedfrom within each time periodin this process.

I WANT A FILIPINO TUTOR TO ANSWER THIS. Lesson: Probability of a Union of Two Events. complete solution pls. i need expert for this. ANSWER ONLY NUMBER 1,2,6,7,8,9,11, and 12 with solutions pls coz I'm confused. reference: i will post in the comment section. From your own answer/solution pls. Don't get answers from google because their answer is
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4. In a scientific study there are 9 mice, 4 of which are pregnant. If three mice are selected at random, without replacement: 5pt. ea. (Must show your work) a. Make tree diagram: b. What is the probability that all are pregnant? c. What is the probability that at least 3 are pregnant? d. What is the probability that the first is pregnant and the
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You are estimating how much population A's proportion of answering yes to a question exceeds population B's proportion who say yes to the same question by using a confidence interval. You have some ability to control the width of your interval. Which of the following would be most likely to ensure that the confidence interval isnarrowed? a. You

A6. The following table shows the distribution of the total sales (E) of a random sample of 75 'Fosta' coffee shops in the first quarter of 2021. Summary Statistics Total Sales (E) of 'Fosta' coffee shops in the first quarter of 2021 First (or Lower) Quartile 114,776 Mean 227,903 Standard deviation 79,857 Third (or Upper) Quartile 374,645 (a)
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Management of a company is to decide whether to build a small, medium or large plant for a new series of product to be launched. The level of demand is uncertain as the product is new in India. The market research firm, the company engaged, has assessed through research that the demand of the product may be poor, moderate or good, with probability

Hello! I have central tendency homework & need help! Thank you:) eference V. 2390 Central Tendency Part 1 Length of Reign of Kings and Queens of England William the Monarch Years Monarch Years Monarch Years Monarch Years Conquerer Edward I William II George II Richard II Mary I 59 Henry IV Elizabeth I 10 Stephen William IV Matilda Ileary VI
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please answer 1 1. DETAILS MENDSTAT15M 8.2.004. MY NOTES ASK YOUR TEACHER Calculate the 95% margin of error in estimating a population mean u for the following values. (Round your answer to three decimal places.) n = 30, 02= 0.7 You may need to use the appropriate appendix table or technology to answer this
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Quiz: M9-Ch14 Quiz Question 2 This Quiz: 10 pts possible 6)) Submit Quiz a) An efciency expert claims that a new ergonomic desk chair makes typing at a computer terminal easier and faster. To test it, 15 volunteers are selected. Using both the new chair and their old chair, each volunteer types a randomly selected passage for 2 minutes and the
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hi, can anyone help me answer this. tq b. The librarian at the local elementary school claims that on average, the books in the library are more than 20 years old. To test his claim, a student takes a sample of 15 books and records the publication date for each. The sample produces an average age of 23.8 years with a variance of 67.5. i. Conduct
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ALL ABOUT STATS Direction: On your answer sheets, write the area corresponding to the shaded part of the normal curve. 1. 2. 3.Let's find out if you are ready to learn this new lesson. Do the following, write your answer in your answer sheet. A. Given the values of the variables X and Y, evaluate the following summations. X1 = 5, Y1 = 3 Xa = 3, Ya
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QUESTION 13 If a value represents the 55th percentile, this means that O a. 55% of all values are above this value 0 b. there is a 45% chance that this value is incorrect O c. 55% of the time you will observe this value 0 d.there is a 55% chance that this value is correct 0 e. 55% of all values are below this value
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The finishing times, in minutes, for running marathons have an unknown distribution with mean 288 and standard deviation 40 minutes. A sample, with size n = 44, is randomly drawn from the population and the mean is taken. What is the probability that the mean is more than 293.8 minutes? z 0.00 0.01 0.02 0.03 0.04 0.05 0.06 0.07 0.08 0.09 0.9
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Concerns about climate change and CO 2 reduction have initiated the commercial production of blends of biodiesel (e.g., from renewable sources) and petrodiesel (from fossil fuel). Random samples of 33 blended fuels are tested in a lab to ascertain the bio/total carbon ratio. (a) If the true mean is .9560 with a standard deviation of 0.0020, within

please help me answer the images in the question Suppose you conduct a study and intend to use a hypothesis test to compare the means of two independent populations. Your null hypothesis is that the two means are equal. That is, Ho: p1 = p2, or equivalently, H0: p1 p2 = 0. Following is a table of the information you gather. Assume the populations
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207% + T E View Zoom Add Page Insert Table Chart Text Shape Media Comment Collaborate Format Document Text Body* Style Layout More Font Times New Roman Regular C 12 pt Q5. Multiplication Rule to Find Joint Probability of Two Dependent Events B U S In a group of 20 college students, 7 like ice tea and others do not. Two students are randomly
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If an object is located 120 m to the left of Point X at 4:30 PM, and then the object is located 70 m to the left of the Point X at 8:00 PM, then the displacement from 4:30 PM to 8:00 PM is: A) 70 m to the left. B) 120 m to the right. C) 50 m to the right. D) 120 m to the left. E) 50 m to the left. A deer travels1560 m from an origin toward the

Question a) A descriptive statistics table and correlation matrix for manufacturing growth and the predictor growth variables. Note the simple relationships between manufacturing growth and the predictor growth variables. In addition, discuss the importance of multicollinearity and use the VIF to test for multicollinearity. b. A multiple
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HipLive Statistics Score: 11.38/20 13/20 answered Question 15 The following are the sizes in square feet of the seventeen new faculty office in the mathematics department at a college. 174 163 151 162 121 165 168 154 141 116 157 194 170 105 125 131 196 Find the range. square feet Find the standard deviation. Round your answer to the nearest tenth,
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You are a patrol sergeant attending a staff meeting. At this staff meeting the results of an important, and very public study, are being presented. This study was conducted to determine the effect of body cameras on the frequency of police/citizen physical confrontations. The researcher conducted an experiment wherein he fitted half of the

Directions: Give the null and the alternative hypotheses for the following situations. You only need to set up the hypotheses in this part. Make sure to use the appropriate parameter symbol in the statement of the hypotheses: p or u. The null and alternative hypothesis has been given for the rst problem. 1. The average number of daily accidents at
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Question 3 1 pts Suppose we have the following setup using the Jacobi method What is the spectral radius of 12 0 2 Remember, the spectral radius of a matrix is the largest eigenvalue of the matrix in absolute value/magnitude. Question 4 1 pts Suppose we have the following setup using the Gauss-Seidel method and]= [8 2] [am]+ [3]. What is the
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statistics 1. As of July 15, 2020, these are the countries with confirmed COVID-19 between 100 - 200. Refer to the table below. Compute the measure of tendency and dispersion of the confirmed cases using grouped data. Use 50 as class size. Country Confirmed Cases Number of Recoveries Number of Deaths Guadeloupe 190 157 14 Faeroe Islands 188 188 0
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All parts of this problem concern a savings account that is opened with an initial deposit of $1000, and which earns monthly interest with an APR of 11% for two years. 1. Calculate the final balance using the monthly compounding balance formula (to the nearest cent) as directed below. a. Break the computation of the balance into two parts, first
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QUESTION 19 The data set below contains data on different medical conditions from the 2015 Medical Expenditure Panel Survey by the Agency for Healthcare Research and Quality. HW 1 Data 2.xlsx The variable "Care Male" lists the number of males (in thousands) who received care for the respective medical condition. Likewise, the variable "Care
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Given the random vector X' = [X1, X2, ..., Xs] with mean vector /'x = [2, 4, -1, 3, 0] and variance-covariance matrix: 4 -1 -1 3 -1 E, = 1 6 1 -1 -1 0 -1 0 2 Partition X as X [X(1) X = X 7 = x (2) X3 XA Let A= [1 7] and B = [ 1 21And consider the linear combinations AX]) and BX(2). Find (a) E(X(1) (b) E(AX(1) (c) Cov(X(1) (d) Cov(AX(1)) (e) E(X(2)
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The answer on other websites is different by a single question. So do not copy that answer over if you find it elsewhere. Please help me actually answer the question below. 5. (9 pt) Suppose Y1, Yz, ..., Y" constitute a random sample from an exponential distribution with parameter , [5' > 0. a. (5) Consider = 5 E as an estimator for . Is 3' an
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9. One out of every three Americans believes that the US government should take \"primary responsibility\" for eliminating poverty in the United States. If 30 Americans are selected, fmd the probability that a) Exactly eight (8) will believe that the US government should take \"primary responsibility\" for eliminating poverty. (10 points) b) At
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On February 5, 2018, the Dow Jones Industrial Average dropped 1175 points from its opening level of 25,521. This was the biggest oneday point decline ever. By what percentage did the Dow drop that day? On October 19, 1987, the Dow Jones Industrial Average dropped 508 points from its opening level of 2245. By what percentage did the Dow drop that

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