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Mathematics Questions and Answers May 02, 2022

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SL(3)-X96L(3) - 2024 Spring/Summer: Assignment 5 Spri.. Q5 (page 5 of 1 ledia 5 C10 Q11 V4 The Excel file STATISTICSSTUDENTSSURVEYFORR cont. Time left 1:05:23 WKHRSREAD (a numerical variable that measures the weekly hours spent reading for leisure by students) and the column BAORBS (a categorical variable that indicates the out of degree (BA or
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I put 289 for the blank space, but it was not correct. 2. What two nonnegative real numbers with a sum of 34 have the largest possible product? The numbers that have a sum of 34 and have the largest possible product are (Use a comma to separate answers as needed.) Thanks for your help
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Identify the z-critical value needed for a given confidence interval. What value of z* should be used to construct a 95% confidence interval of a population mean? Answer choices are rounded to the hundredths place. options are: a)2.58 b)1.96 c)3.29 d)1.65 how can I input this into the graphing calculator? would i use the Zinterval function? This

You have data from a survey showing the requested temperature of the room used for massages and the age of the customer. This data may reveal important information about what temperature is typically requested by customers in different age groups. On the Survey worksheet, create a Scatter chart using the data in cell range A2:B53. Move the chart

\f\fCreate scatterplots using the data in the spreadsheet linked above and display the eguation for the regression line. What is the equation for the regression line that predicts selling price using household income as the explanatory variable? Y = z+ ( ) What is the interpretation of the slope? What is the interpretation of the intercept
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A study was conducted to investigate the different types of therapy for patients diagnosed with head and neck cancer between 1998 and 2011 (Chen et al, Cancer, 2014, see table below). Study population included adults (?18 years) with confirmed diagnosis of head and neck cancer who underwent either surgical therapy alone or combined therapy
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Jeff won a lottery of $500,000. The money is invested in an account paying interest at a 5.5% annual rate, compounded continuously. Jeff wants to be able to perpetually withdraw a fixed amount continuously. How much at most can be withdrawn from the account each month? Assume a continuous money flow, then he can withdraw from the account at most

A Poker hand consists of 5 cards dealt at random from a deck of 52 cards. There are 2 598 960 possible hands(52C5). How many of those hands include exactly two Queens? Hint: You need two of the four queens, and three cards from those that are not queens. A class of 8 students are giving presentations. The teacher needs to put them in order. Arun

Assume that the domain of f is the set A = {2,1, 0, 1, 2}. Determine the set of ordered pairs that represents the function f . (Order your answers from smallest to largest x , then from smallest to largest y .) f ( x ) = ( x 3) 2

John was doing a statistical study about Idaho. For his study, he did the tasks listed below. In which step of the statistical process does each of the listed tasks belong? Group of answer choices Create a histogram for the data that he collected from Idaho. [ Choose ] Gather information about randomly chosen adults in Idaho. [ Choose ] Calculate

Reconsider the drill bits described ... See attached pictures thank you . Reconsider the drill bits described in Example 4.45, of which 5% shatter instantly (and so have lifetime T = 0). It was established that the reliability function for this scenario is Rm = .9553\[This suggests that our proposition about mttf can be used even when the lifetime
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1. Erythromycin is a drug that has been proposed to possibly lower the risk of premature delivery. A related area of interest is its association with the incidence of side effects during pregnancy. Suppose it is known from previous studies that 30% of all pregnant women complain of nausea between the 24th and 28th week of pregnancy. A study of

You own a small airplane that holds a maximum of 20 passengers. It costs you $100 per flight from St. Thomas to St. Croix for gas and wages plus an additional $6 per passenger for the extra gas required by the extra weight. The charge per passenger is $30 each if 10 people charter your plane (10 is the minimum number you will fly), and this charge

If you are given the followingPARTIALfrequency table, determineONLYthe two missing values x and y. LL =165 UL =541 Lower Boundary =X Upper Boundary =Y Find X and Y

Thank you for your time. Display the data to the right in a Pareto chart. Describe the difference in how the pie chart and the Pareto chart show patterns in the data. Favorite Season Summer 37 Fall 21% Spring 28%% Winter 14% (a) Construct a Pareto chart to display the data. Choose the correct bar graph below. O A OB. OC. OD. Favorite Season
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Which of the following is NOT a condition that must be met in order to use a sample to make inferences to the population from which it was drawn? The sample must be large enough (N> 100). O It must be a probability sample (drawn at random). The data cannot have too many cases with missing data for the varialles we are analyzing and using to making

A researcher has a research question of, "Does daily walking improve task motivation?" Which of the following would be an appropriate hypothesis

For the High Business-as-Usual scenario, what is the total amount of CO2 released because of human activity by the year 2100, in Gton C? You can find this in the Cum. Carbon Fluxes plot. Use the sum of Cum. Fossil and Cum. Land Use

Hypothesis: Deontic content can account for high levels of logical performance on the Wason selection task. In other words, phrasing the rule in terms of what ought to be (e.g., "if p, then q ought to be"; or "if p, you should q", etc.) should cause participants to answer the Wason selection task correctly. A) This hypothesis is consistent with

Please use R language to solve the following questions. Thank you! \f
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For this week's discussion, I choose the study on Small individual loans and mental health: a randomized controlled trial among South African adults. The population parameter(s) in the hypothesis are the effects of access to credit on mental health indicators, specifically, perceived stress and depressive symptoms, among individuals living in

Estimate the upper confidence limit of the average monthly sales in dollars, of all salespersons with 10 years of experience with 96% confidence coefficient. Consider the results of statistical analysis of data on sales (Y in $1,000s) and the years of experience (X) of 10 randomly selected salespeople from a local grocery store. Coefficients
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Writeinequalitiesto represent the situations below. \f
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In asurvey, 500 adults in a certain country were asked how many hours they worked in the previous week. Based on theresults, a95% confidence interval for mean number of hours worked was lowerbound: 38.9 and upperbound: 45.2 Which of the following represents a reasonable interpretation of theresult? For those that are notreasonable, explain the
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REQUIRED: a) b) c) Present and disclose the abovementioned information in the Statement of Profit and Loss of Alphabet Ltd for the year ended 30 June 20:20. (7) Present and disclose the abovementioned information in the Statement of Changes in Equity of Alphabet Ltd for the year ended 30 June 20:20. (10) Calculate the amounts for the following
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Suppose you train a logistic regression classifier, p(x) = 1/(1+exp(01x12x2)). Suppose 0=6, 1=0, 2=1. Which of the following figures represents the decision boundary found by your classifier? (Note that the letters for the answers are at the bottom-left of the figures.)

in an established systematic fashion that enables one to answer research questions, test hypotheses, and evaluate outcomes. paraphrase

In research entitled: "The Interplay of C.P.A. in Elderly Care towards Client Care Satisfaction", a case study methodology approach involving two elderly facilities. What will be the most appropriate sampling method to be used in the study? Question 86 Answer a. Cluster sampling b. Stratified sampling c. Purposive - convenient sampling d.

Which of the following methodologies of troubleshooting problems is more likely to fix problems than to make them worse? Question 35 options: Hypothesis A > fix > hypothesis B > fix > hypothesis C > fix Hypothesis A . Hypothesis B > Hypothesis C > fix

A recent survey of 953 randomly selected people, who had been an inpatient at a local hospital in the last year, found that 59% were satisfied with the quality of care that they received.The survey also reported a margin of sampling error of plus or minus 5%. a. What is the population of interest? b. What is the sample being used? c. What is the

Ketua ketua dari jajaran direktur berkata "terdapat 50% peluang perusahaan ini akan menghasilkan keuntungan, 30% peluang akan impas, dan 20% peluang akan rugi pada Kuartal berikutnya" A. Gunakan aturan penjumlahan untuk menemukan probabilitas perusahaan akan rugi pada kuartas berikutnya B. Gunakan aturan komplemen untuk menemukan probabilitas

A standard deck of playing cards is shuffled and three people each choose a card. Find the probability that the first two cards chosen are spades and the third card is black if the cards are chosen with replacement, and if the cards are chosen without replacement. (a) The cards are chosen with replacement. (b) The cards are chosen without

............. Determine the point(s) (if any) at which the graph of the function has a horizontal tangent line. (If an answer does not exist, enter DNE.) y = -8x + ex ( x, y ) = - 00, 00 X Submit
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The Cadbury Company suggests that each package of sour patch kids should contain 20% blue candy. A group of students wants to test this claim and buys a large bag (1.9 lbs) of sour patch kids. The bag contains 486 pieces of candy. Blank #1: Calculate the standard error assuming what Cadbury claims is true. Round your answer to three decimal

For an upcoming marketing project for a health drink, you want to find the average height of the children in the age group 8-13 years. Instead of asking each child, suppose you took a few children as your sample and wrote the data down (To keep the identity anonymous, we are referring to name as alphabets). Name of the Student Height (in cm) A

1. According to the given equation, are healthcare expenditures increasing or decreasing? Explain how you know
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Find answers Andy Thompson is a dean at a local college. He is trying to find out whether the population mean GPA of undergraduate students at his college who have at least one job during the semester is different than the population mean GPA of undergraduate students who do not have a job during the semester. Andy conducts research on the topic
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Question 1: In a certain population of women 4% develop symptoms of a classic disease, 20% are smokers, and 3% are smokers and have developed the symptoms of the disease. a) Find the probability that a randomly selected woman from this population has developed symptoms of the disease, or is a smoker, or both. b) Find the probability that a
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A social psychologist records the age (in years) that a sample of 8 participants first experienced peer pressure. The recorded ages for the participants are 14, 20, 17, 16, 12, 16, 15, and 16. Compute the SS, the variance, and the standard deviation for this sample (Privitera, 2019, p. 129, #26). SS = ____ Variance = ____ SD = ____

Need help identifying peer reviewed articles in relation to application of statistics in healthcare. I am unable to locate relevant articles pertaining to this subject. Need help searching scholarly reviewed articles and peer reviewed articles as they relate to how statistics are significant to quality, safety, health promotion, and leadership.

Find the indicated probabilities using the geometric distribution, the Poisson distribution, or the binomial distribution. Then determine if the events are unusual. If convenient, use the appropriate probability table or technology to find the probabilities. The mean number of oil tankers at a port city is 14 per day. The port has facilities to

by looking at a histogram how do I know which has a larger standard deviation

The internal auditor for your company believes that 10 percent of your invoices contain errors. To check this theory, 20 invoices are randomly selected, and 5 are found to have errors. What is the probability that of the 20 invoices selected, 5 or more would contain errors if the theory is valid?

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What do the six elements that contribute to the variation in a process (the 6M's) influence variation in? (Choose the most correct option) Group of answer choices Manufacturing processes Processes that produce some tangible product Any process Continuous processes

Hi i need help with this question [3 marks] A simple random sample is to be taken of the Australian electorate, of which there are currently 16,635,280 enrolled voters. Calculate a sample size for a 95% confidence interval of +/-1% (i.e. margin of error of 1%) for the following two separate situations: (a) The two party preferred vote can be
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Construct a sample (with at least two different values in the set) of 4 measurements whose mean is larger than at least 3 of the 4 measurements. If this is not possible, indicate "Cannot create sample".

Find ONLY the missing value x . Lower limit= blank Upper limit= Blank LB= Blank UB= Blank Mid= blank Frequency= 541,0,1911,71 Width =blank Cumulative frequency= X - What is the X value?

Support from research texts for the type of statistical analysis chose is required in the proposal. Group of answer choices True False

Based on the analysis, we can say that Baltimore city's Assistant State Attorneys, are at par, salary wise, with their peers in similar cities because (check all that apply) For questions with multiple possible answers, an incorrect response cancels a correct response. For full credit, ONLY the correct response(s) must be selected. Group of answer

Give answers (a) Repeat no.p.227 no.34 of Assignment 5 by making use of the p-value approach. (b) Test the hypothesis Ho : H = 84.4 H1 : # # 84.4 by making use of the i. p-value approach ii. confidence interval approachA recent study examined the relationship between football playing and hippocampal volume, in UL, in the brain. We use the / = 25
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Time left 0:05:36 When conducting a one-way repeated-measures ANOVA which of the following assumptions is not relevant? O a. Homogeneity of variance b. Normal distribution O c. Sphericity o d. All of these assumptions are relevant Clear my choice
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Which of the following is the best advice when using graphics in a report? Question 19 options: Use colored graphics to add visual interest. Only use charts and graphs. Avoid summarizing the main point of your graphic. Avoid the use of headings on a graphic

A sample of 159 randomly selected students found that that the population of students planning to travel home for Thanksgiving is 0.71. What is the standard deviation of the sampling distribution?

Research question: Does taking aspirin reduce perceptions of pain? A sample of 100 adults was obtained. Half of the sample was randomly assigned to take 325 mg of aspirin and the other half was assigned to take a pill that looked identical but contained no aspirin. After one hour, participants completed an assessment of pain perceptions. Use this

A random sample of 20 adults in a particular country were asked to state what type of birth control method they use. The results are in the table below. None None None Condom Condom Condom None Condom Pill Pill Other Pill None Pill Condom None Condom Other Pill None a) Since data were collected for ? Select an answer variable(s), the correct graph

Using De Morgan's law prove the equality Using De Morgan's laws, prove the following equality, and verify it with a truth table (A, B, C are all Boolean variables): AB(A + C) + AB(A + B + C) = A+ B
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A linear regression model is designed to predict service charges by a bank (in dollars per month) based on sales revenues of 26 companies who use the services (in millions of dollars). A partial output from Excel gives i =-5428 + 32.756x i along with SSE = 117600, and the p-value = 0.04022 for the estimated slope. Interpret the standard error of

The question is given in the picture below Select the instances in which the variable described is binomial. Based on the parents' genetics, each of 6 children from a particular pair of parents has a 0.30 probability of having blue eyes. The random variable represents the total number of children from this pair of parents with blue eyes. A quality
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The measured value is equal to the true value plus ________ and random error

Heights of a group people follows normal distribution with mean x=66'' and standard deviation s=3" . Suppose one person is 69" tall, what percent of the people in this group are taller than this person?

The distance s (in m) above the ground for a projectile fired vertically upward with a velocity of 4[a]m/s as a function of time t (in s) is given by s =4[a]t4.[b]t^2 a=4, b=9. Find the answers to these questions. find t for v = 0 find v for t = 4 find v for t = 5 What conclusions can you draw?

19. If the probability is 0.24 that a burglar will be caught on any given job, what is the probability that he will be caught before either in 2nd or 3rd or 4th attempt of burglary? A) 0.244 B) 0.426 C) 0.561 D) 0.666

In your own words, explain the process of multiplying or dividing complex numbers. Show an example to illustrate the process you explained. For this DQ, complete the problem provided by your instructor.

Test scores for a certain class are below: 25, 65, 68, 75, 79, 81, 82, 82, 84, 88, 90 Students want to know what the average score is on the test. What are the students asking for

Nj studjues shqiptar zbatoi me prpikmri metodologjin studimore t nj studimi amerikan, por konkludoi me rezultate t ndryshme nga studimi origjinal. Mund t thuhet se... A) Vetm studimi amerikan duhet t merret n konsiderat sepse paraqet konkluzionet e sakta B) Vetm studimi shqiptar duhet t merret n konsiderat sepse paraqet konkluzionet e sakta C) T

How is estimating helpful when solving math problems in an academic setting? a. Estimation is not used in academic settings b. It helps by giving you a faster answer so you don't have to do the accurate work. c. None of the answers are correct d. All of the answers are correct e. It helps with checking your work by confirming your answer is in the

A nutritionist wants to estimate the average daily calorie intake of a population of adults. A random sample of 50 adults is taken, and their daily calorie intake (in kilocalories) is recorded. The sample mean is found to be 2000 kcal, and the sample standard deviation is 150 kcal. 1. Find the margin of error

A kitchen cabinet manufacturer is interested in comparing average assembly times for two assembly process. A random sample of five kitchen cabinets is selected and the assembly time ( in minutes) on each cabinet of each process is recorded, as shown in table below. Cabinet 1 Process 1 115 Process 2 2 165 140 90 155 105 85 5 90 110 85 two process
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Need help understanding with this assignment : Assignment #2_ Descriptive Statistics Analysis and Write up University of Maryland University College STAT200 - Assignment #2: Descriptive Statistics Analysis and Writeup Identifying Information Student (Full Name): Ryan A. Parsley Class: STAT 200 Instructor: Jose Martinez Castillo Date: 04/11/2020
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4. The head of school obtained consent from all parents. Using an online randomizer, students were assigned to the ABC Mouse {Experimental} game or the Pig Pile {Control} game. During school hours, a research assistant named Marnae introduced the selected game to each child. Then, for the next two weeks, during each morning's play period, kids
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In a survey of 80 households, it was found that: 30 had at least one dog, 42 had at least one cat, 21 had at least one "other" pet (fish, turtle, reptile, hamster, etc.), 20 had dog(s) and cats), 10 had cats) and "other" pet(s), 8 had dog(s) and "other" pet(s) and 5 had all three types of pets. How many "other" pets) owners also have dog(s) or

Calculate the test statistic. Use the information given... Suppose you are interested to see if less than 10% of video gaming youngsters display behavioral signs that indicate addiction. In a poll conducted with a sample size of,displayed signs of addiction. -1.846 1.717 -1.717 1.846

The question is "There are 3 uranium atoms held together in a group by a special nuclear force. In any 1 second, each uranium atom can emit any number of photons ranging from 0 up to innity according to the Poisson distribution. Suppose the mean photon emissions are 1, 1.5 and 2 for the 1st, 2nd and 3rd uranium atom, repectively. Assume that the

please help Suppose a 5 card poker hand is drawn from a standard deck of 52 cards, without replacement. What is the probability at least one card has the diamond suit? O 0.2215 O 0.7784 O 0.6329 O 0.3670 O None of these Question 12 9.54 pts In every iteration of Star Trek, each episode presents the bridge crew with a new and interesting challenge.
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Would like some detailed guidance / assistance in a solution to this problem. Thanks. SHOW ALL WORK (2) [Pts. 45] A spherical cell of radius R is excreting a metabolic product. This product diffusing from the cell is governed by the following equation for pure diffusion: at - DV-C+P(r) where D is the diffusivity constant and has units cm /s. Note
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The number of eligible voters in the U.S. is always higher than the number of registered voters. Group of answer choices True False

Exercise 4.3 The county assessor is studying housing demand and is interested in developing a regression model to estimate the market value (i.e., selling price) of residential property within his jurisdiction. The assessor suspects that the most important variable affecting selling price (measured in thousands of dollars) is the size of house
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30. your friend is considering two alternative investments, INV1 and INV2. he is uncertain about the percentage returns, but believes that you as a student of analytics will have no issue in modelling the uncertainty using the normal probability distribution. the means and standard deviations for the returns of INV1 are Mean1=12.4, S1=3.2; and for

Nearest ten-thousand (4decimals) Consider the results for the rate of return for a random sample of 30 mutual funds over the previous 3-year (X) and 5-year (Y) periods. Given the 3-year rate of return of 3.6, what is the upper limit of the prediction interval for the 5-year rate of return with 90% confidence coefficient? Coefficients Standard
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refers to the concept that the prediction of probabilities, being 50% heads and 50% tails, are more reliable in the long run. Select one: O a. Repeated Trials O b. Pass Line O c Practice O d. Dependent Process

Question 2 Imagine an experiment where a person is seated in front of a computer. When a certain signal flashes on the screen, the subject presses a key on the keyboard as quickly as possible. A clock measures the amount of time that elapses between the signal's appearance and the subject's keypress. This amount of time is known as the reaction
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Can you please assist me in solving this problem. Thank you! \f\f
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We know the following about a colorimetric method used to test lake water for nitrates. If water specimens contain nitrates, a solution dropped into water will cause the specimen to turn red 90% of the time. When used on water specimen without nitrates, the solution causes the water to turn red 15% of the time (because chemicals other than

the analysis of variance is an inferential method that is used to compare a. two population means b. two population variances c. three or more population means d. three or more population variances

Can you confirm that my answers are correct? A real estate agency says that the mean home sales price in City A is the same as in City B. The mean home sales price for 25 25 homes in City A is $ 127 comma 421 127,421 . Assume the population standard deviation is $ 25 comma 880 25,880 . The mean home sales price for 25 25 homes in City B is $ 112

Would the following data set be qualitative or quantitative data? - Average claw length of African lions. Question 19 Select one: a. Quantitative data b. Qualitative data

Gravetter/Wallnau/Forzano, Essentials - Chapter 4 - End-of-chapter question 7 Calculate SS, Variance(), and Standard deviation() for the following population of N = 4 scores: 0, 6, 6, 8 SS: Variance(): Standard deviation()

Caso: Utilizacin de aguas lluvias en viviendas para un proyecto de urbanizacin en Copan. La Ing. Martha Zelaya est considerando implementar un sistema de captacin de aguas lluvias para el consumo interno, en la construccin de un proyecto de nuevas viviendas en el sector de Concepcin, Copan. Actualmente la municipalidad de Concepcin tiene serios

If x, y and z are related to each other by the constraint 2xy^3 3yz + x^3z^2 = 6, then x may be regarded as implicitly a function of y and z. (a) Find the value of x at the point on the graph of 2xy^3 3yz + x^3z^2 = 6 where y = 1 and z = 2. (b) Find formulas for x/y and x/z. (Your answer may be expressed in terms of x, y and z.) (c) Find x/y and

State the social and political and the cultural context in which the modest proposal is written

A survey of 2278 adults in a certain large country aged 18 and older conducted by a reputable polling organization found that 411 have donated blood in the past two years. Complete parts(a) through(c) below. (a) Obtain a point estimate for the population proportion of adults in the country aged 18 and older who have donated blood in the past two

The 2018 Federal Employees Viewpoint Survey statistically evaluated whether government agencies reward creativity and innovation for improving overall work quality. - what this means

Rima is practicing math fluency. She has a 100 math operation flashcards with 42 addition problem cards, 56 subtraction cards, and 2 multiplication cards. She will time herself to see how fast she can solve the problems on ten cards. She chooses her ten cards and they are all subtraction cards. Is choosing all subtraction cards likely? Explain by

arti butir pancasila sila 1 yang tidak memaksakan suatu agama dan kepercayaan terhadap Tuhan yang maha esa kepada orang lain

Using ANOVA and the f statistic, please answer the following questions marked 1), 2), and 3) so that I know which question you are answering. 1) What is the f statistic number for this relationship below? You can see the f statistic formula and f distribution chart in the review sheet on blackboard. 2) What is the interpretation of the f statistic

"Squibs" are multi-colored round candies.The manufacturer of Squibs claims that in each bag, 13% are blue, 19% are yellow, 8% are red, 34% are purple, and 26% are green.If there are 350 squibs in a two-pound "jumbo bag", what are the expected frequencies of each color?

IfP(A)=0.25,P(B)=0.40and eventsAandBare independent, findP(A or B).

Nearest ten-thousand (4decimals) Nasee Market Analytics provides services to investors with forecasts of the movement of the stock market. For a recent forecast. the mean percentage change in the stock price of 52 recommended stocks was -1 9.9 and the standard deviation was 18.6. What is the percentage change below which only 5% of the stocks
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When you have a ratio dependent variable (DV) and a nominal binomial independent variable (IV), what statistical hypothesis test should you use?

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