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Mathematics Questions and Answers February 06, 2021

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Apps YouTube . Maps M Gmail Online Corequisite Statistics Support - Spring 2021 Homework: 1530 REVIEW HOMEWORK FOR THE FINAL EXAM Score: 0 of 1 pt 27 of 30 (20 complete) 10.1.17 (a) Determine the null and alternative hypotheses, (b) explain what it would mean to make a type | error, and (c) explain what it would mean to make a type II error. Three
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QUESTION 1 2 points Save Answer A coffee machine dispenses coffee and then hot water into cups. Let the amount of coffee dispensed (in ml) be given by the random variable C where C ~ N(40, 32). Let the amount of hot water dispensed (in ml) be given by the random variable W where W - N(150, 10-). Furthermore assume Cov(C,W) = -2. IF T = C + W then
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In a recent awardsceremony, the age of the winner for best actor was 30 and the age of the winner for best actress was 55. For all bestactors, the mean age is 41.2 years and the standard deviation is 8.7 years. For all bestactresses, the mean age is 35.8 years and the standard deviation is 11.7 years.(All ages are determined at the time of the

match column 1 to column 2 Prompts COLUMN 1 COLUMN 2 describes the probability of successes in n draws, with replacement, from a finite population of size N. O experiment X is the number of the trial on which kth success occurs O continuous uniform X is the number of the trial on which 1st success occurs O negative binomial measures the
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Assuming an independent sample t-test: what would be the appropriate degrees of freedom if a researcher samples 47 total participants? O 45 O 46 O 47 ON/A Next No new data to save. Last checked at 7:30pm Submit\fWhen doing hypothesis testing, the equality always goes in the: O Alternative Hypothesis O 2-tailed test O Null Hypothesis O 1-tailed
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Data found on www.routledge.com/9781138289734 Pictures below have the question 12:52 PM Fri Jun 11 100%
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Question 3 (worth up to 30 points): Does the number of times a person attends religious services ( attend ) vary by religious preference ( relig )? In selecting the appropriate test or procedure, you need to consider the question, the number of samples or categories being compared, and the level of measurement of the variables. To answer the

thanks for the help Each student must post (1) substantial initial post with a minimum of 300 words by Wednesday of each week before 11:59 PM. All posts and replies must contain at least (2) professional references, one may be the course textbook, properly cited in the current APA format. Late discussion posts are not accepted in this course. The
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Data the data below in a paper {Lidiclcer and McCollum 199?] wherein the authors had examined the genetic diversity in two populations of sea otters [Enhydra fun-is] in the eastern Pacic. The point of the study was to assess the degree to which the severe bottleneck in the historyr of the Californian population had caused the loss of genetic
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7. Say you have three (3) independent circuit boards. The life span of each circuit board follows a continuous uniform distribution on the interval (0,100) hours. Thus a=0 hours and b=100 hours. Let X1, X2 and X3 signify each boards life span respectively. a. What is the probability that exactly one of the circuit boards lasts more than 75 hours?
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_ _ Consider the simple normal linear regression model which is expressed in matrices form if 2 XS 4 3;. Fiona an observed sample. we have X'X = ( 1261? 1156:? ) , X'E ( 1153640: ) SSRes =4815810 a Obtain the predicted line. b. h ' ' Report the 95% condence interval for S]. c; 1' , Obtain a 90% prediction interval for Y when the explanatory
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Use the following regression equation and a = 0.05 to fill in the missing values and answer the following questions. SUMMARY OUTPUT Regression Statistics Multiple R 0.910670783 R Square 0.829321275 Adjusted R Square 0.819839124 Standard Error Observations ANOVA df SS MS F Significance F Regression 1 6016.725851 87.46129882 2.47832E-08 Residual 18
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1. A house has increased in value by 59% and it was purchased. If the original value is $580,000, what was the value after the increase? 2. Macy's offers a shirt at the price of $300. Then one week later, they offer the shirt at 25% off. The shirt still doesn't sell, so after another week, Macy's reduces its new price by an additional 40% off. How

Hi! I hope you could help me with this Statistics and Probability problem? Thank you! Three shifts run continuously at a local drink manufacturing plant. Each shift is expected to meet production goals of cases per hour. If the plant is running at 100% efficiency, each shift can produce 486 cases per hour. At a more realistic rate, it is expected
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Back a few decades ago, researchers looked at the consumption of milk, and were greatly alarmed when they found a correlation between milk consumption and cancer risk! The correlation was based on higher cancer rate in New England, Wisconsin, Minnesota, and even Switzerland (think about what those places may have in common, I'll let you guys

caliper_profile_url=http... A to MAT220_32_Statistics |_2021_22_TERM5 Dale Layne JR 04/19/22 2:06 PM Homework: UNIT 7 - Section 10.3 Homework Question 7, 10.3.27 HW Score: 66.78%, 6.01 of 9 points Sa Part 2 of 3 Points: 0.57 of alcium is essential to tree growth because it promotes the formation of wood and maintains cell walls. In 1990, the
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please help, please answer the whole thing, thank u Instructions: Choose the letter that corresponds to the correct answer. Use an 1. Which of the following is the formula of mean of probability answer sheet for your answers. distribution? 1. Which of the following is a correct meaning of the symbol >"? A. H = Ex + P(X C. H = EP(X) / EX B. u =
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You may need to use the appropriate technology to answer this question. Consider the data. ll\"! all-ll (a) What is the value of the standard error of the estimate? [Round your answer to three decimal places.) (b) Test for a significant relationship by using the ttest. Use a = 0.05. State the null and alternative hypotheses. \"a: .61 e 0 Ha: 1 = 0
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For 50 randomly selected speed dates attractiveness ratings by males of their female date partners ()0 are recorded along with the attractiveness ratings by females of their male date partners (y); the ratings range from 1 to 10. The 50 paired ratings yield x: 6.4 y= 6.0 r= 0.240, P'- value: 0.094, and y= 7. 77 0. 276x. Find the best predicted
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A jar contains 10 black marbles and 40 white marbles. a. If you randomly select a marble from the jar, what is the probability that you will get a white marble? b. If you are selecting a random sample of n = 3 marbles, and the first 2 marbles are both white, what is the probability that the third marble will be black? For each of the following

A telephone company wants to estimate the mean length of long-distance calls during weekends. A. random sample of 50 such calls gives a mean of 14.5 minutes and a standard deviation of 5.6 minutes. a. What / who is the population? b. What / who is the sample? c. What quantity are we interested in estimating? Hint: The answer to this question is

#24 A pharmaceutical company receives large shipments of aspirin tablets. The acceptance sampling plan is to randomly select and test 40 tablets, then accept the whole batch if there is only one or none that doesn't meet the required specifications. If one shipment of 5000 aspirin tablets actually has a 3% rate of defects, what is the probability
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1.Assume that the random variable X is normally distributed, with mean 0.001111
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could you help giving me explanations on this problem ? Thank you Please use R/Rstudio. Please conduct any hypothesis test if necessary. For part(c), generate three residuals plots which are "residuals vs fitted" , "residuals vs algorithms", "normal q-q plot" 4.13. Consider the ratio control algorithm experiment described in Section 3.8. The
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Age Mental Health Physical Health Depression Age 1.00 -.62* -.91* 48* Mental Health 1.00 .68 .52+* Physical Health 1.00 -.38 Depression 1.00 Notes: Depression was measured by PHQ -9. *
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For each pair of hypotheses that follows, decide whether H and H are set up correctly as the null and alternative hypotheses for a hypothesis test. If so, select "Valid" from the drop down menu. If not, select "Invalid". 1 H: M = 30 2 H: = 115 H: M 30 H: 115 3 H: = 210 4 H: = 130 H: 210 H: 138 You evaluate the by assuming that it is true and

1)Does your favorite genre of metal predict your prowess at zombie-killing computer games? Dr. Levine attended a glam metal show, and convinced 26 attendees to play a zombie computer game - they had an average of 54.65 kills, with a standard deviation of 5.98. Afterwards, Dr. Levine attended a death metal show and had 30 attendees play the same

calories (b) median calories 44. [-/3 Points] DETAILS LAROSESTAT3 3.1.063. The table below contains the number of cylinders, the engine size (in liters), the fuel economy (miles per gallon [mpg], city 2011 automobiles. Cylinders, Engine Size, and Fuel Economy for Six Cars Engine City Country of Vehicle Cylinders Size mpg Manufacture Cadillac CTS m
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I need some help! only answer ! 36 draws are made at random with replacement from the box containing 6 tickets: lg E] lg IE 9. The 5D at the box Is 3. a. (2 pts) The smallest the sum of the 36 draws could possibly be is |:| and the largest the sum could be is |:|. Submit Newer Tries 0.199 b. What is the average of the box? \\:| Submit Newer Tries
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Price of eggs and milk: The following table presents the average price in dollars for a dozen eggs and a gallon of milk for each month from February through November 2001. Use a TI-84 calculator to answer the following. Dozen Eggs Gallon of Milk 1.55 3.07 1.75 3.08 1.63 3.07 1.62 3.14 1.50 3.26 1.37 3.43 1.50 3.74 1.63 3.81 1.83 3.84 1.77 3.84
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A major home improvement store conducted its biggest brand recognition campaign in the company's history. A series of new television advertisements featuring well-known entertainers and sports figures was launched. A key metric for the success of television advertisements is the proportion of viewers who "like the ads a lot." A study of 1,189

1. Let Ho and Hi be two events. Let pi(X1, ...,Xn) be the conditional density of A1, ..., An given H; occurred. (a) Assume that given Hi, {X}}})_ is a sequence of i.i.d. Gaussian random variables with mean (-1)'VE and variance No/2. Use the Chernoff bound to show that P{pi(X) > po(X) |Ho} SenE/No (b) Now let X1, ...,An be independent discrete
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A prospective study was conducted to investigate the association of Major Coronary Heart Disease (CH D) and stress on the job on 2013 individuals. The contingency table is given below: Stress Major CHD Non Major CHD Total Yes 97 307 404 No 200 1409 1609 a. [1] Define explanatory and response variables 1:). [2] Estimate risk difference and
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YouTube would like to test the hypothesis that the average length of an online video watched by a user is more than 8 minutes. A random sample of 37 people watched online videos that averaged 8.7 minutes in length. It is believed that the population standard deviation for the length of online videos is 2.5 minutes. YouTube would like to set =

4. Sometimes we can transform data that are not symmetric and bell-shaped to more closely resemble a Gaussian distribution. The data below give observed values (y) for the survival times (in months) after treatment for a certain type of cancer. There are a total of 72 observations. f. Now "undo" the transformation for the model-based quantiles
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For the accompanying data set, (a) draw a scatter diagram of the data, (b) by hand, compute the correlation coefficient, and (c) determine whether there is a linear relation between x and y. Click here to view the data set. Click here to view the critical values table. (a) Draw a scatter diagram of the data. Choose the correct graph below. O A O
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What is the chance management will make a Type I error with the decision rule of reallocating resources if the sample mean is more than 7.6 minutes?Chance of a Type I error = Using the same decision rule, what is the power of the hypothesis test if the true mean time is 8.7 minutes?Power = Ask A Nurse is a service provided to subscribers of a

In a largecasino, the house wins on its blackjack tables with a probability of 50.5%. All bets at blackjack are 1 to1, which means that if youwin, you gain the amount youbet, and if youlose, you lose the amount you bet. a. If you bet$1 on eachhand, what is the expected value to you of a singlegame? What is the houseedge? b. If you played 200 games

On a radio show, an official reported that people who have more children get divorced less often. Because of this, the official argued that people should have more kids to help strengthen theirmarriage. A. Name three possible causal statements you could make about this bivariate correlation. B. Name one possible third variable that might account

\fb) Civil engineers have developed a 3D model to predict the response of jointed concrete pavements to temperature variations. To check this model, they measured the change in traverse strain on six different occasions and compared this to the modelled values. The table below was obtained. Change in Strain Field Modelled Date Measurement
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What are the effects of exercising on the duration of the common cold? Corrine works at the clinic at the college she attends and decided to study this link. She designed an experiment in which half the students who came in with a cold were told to exercise and half were told not to exercise. Assume all students followed the advice. At the
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Need help to solve this equation from 7.2 of statistics using TI-84 calculator and provide steps to solve using mainly TI-84 calculator Salaries of 46 college graduates who took a statistics course in college have a mean, x, of $61,700. Assuming a standard deviation, o, of $18,373, construct a 90% confidence interval for estimating the population
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Currently patrons at the library speak at an average of 60 decibels. Will this average change after the installation of a new computer plug in station? After the plug in station was built, the librarian randomly recorded 40 people speaking at the library. Their average decibel level was 58.6 and their standard deviation was 9. What can be

1 mark - fill in the box with the correct multiple choice answer - highlight or fill with colour (YELLOW) 2 marks - explain why you picked that answer, using Grade 12 Data Management terminology and equations 1. The odds against Toronto winning the Stanley Cup this year are 9:2. What is the probability they will win? (1 mark) 211 911 2 : 9 29

Surveying 1,459 adults, a research center reported that "an overwhelming majority of Americans (89%) support requiring all healthy schoolchildren to be vaccinated for measles, mumps, and rubella. " Using a 95% confidence level, I am trying to find the margin of error in percent form rounded to one decimal place. I must show how I got the answer as

solve all parts please step by step thanks all parts please + Drag and drop an image or PDF file or click to browse. Q4 (10 points) 04(10) Given two events , B. we know that P( A) - 0.6, P(B) = 0.4, P(An B) - 0.25. 1.(6)Sketch a Venn diagram showing the relationship between two events Add probabilities to the appropriate regions so that the above
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Take a Test - Mustafa Rabboh - Google Chrome - 0 X mathxl.com/Student/PlayerTest.aspx?testld=230325404¢erwin=yes INFO240_10FA21 Mustafa Rabboh & | 11/07/21 11:14 PM Question 7 of 15 This test: 21 point(s) possible This question: 3 point(s) possible Resume later Submit test You plan to invest $1,000 in a corporate bond fund or in a common stock
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GIVE TYPED WRITING SO I CAN UNDERSTAND CLEARLY. Kindly give correct answers and step by step working.do not skip steps.Mention clearly about the formula and the conversion.be very clear.do not skip steps.be very clear.NUMBER THE Ans CLEARLY. QMT110 OCT2012 QUESTION 1 The content of liquid detergent X is being analyzed. Twelve bottles were randomly
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A box contain six disc numbered 1 to 6, Find for each integer k from 3 to 11, the probability that the numbers on two discs drawn without replacement, have a sum equal to k ? In a single throw of two fair dice, find the probability that the product of the numbers on the dice is (i) between 8 and 16(both inclusive) (ii) divisible by 4 ? A drawer

Points] DETAILS DIEZSTAT4 4.1.002. MY NO What percent of a standard normal distribution N(# = 0; 0 = 1) is found in each region? Be sure to draw a graph. (Round your answers to the nearest whole number.) (a) Z > -1.58 % (b) z 9 (d) 121
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A historian believes that the average height. of soldiers in World War II was greater than that of soldiers in World War 1. She examines a random sample of records of 101 men in each war and notes standard deviations of 2.5 and 2.3 inches in World War I and World War II, respectively. If the averag: height of the sample of World War II soldiers is
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Show Attempt History Current Attempt in Progress Your answer is incorrect. Use the normal distribution to find a confidence interval for a proportion p given the relevant sample results. Give the best point estimate for p, the margin of error, and the confidence interval. Assume the results come from a random sample. A 95% confidence interval for
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Can anyone explain the expansion of the equation i marked on the picture 4 ( x - 4) 2 + ( x 2 - 4 ) + ... + ( x5 - 4) = 6.5 5 5 Exi = 20 - 0 4 2 2 2 * + 362 + 2(3 +.- +215 + 5 x 42 2 26 .-(2 = i dont understand this part. how is it simplified + 80 - 8x20 = 26. 2 Zxi = 106
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Iruuwm 1 {Lupus}; At a local university, a sample of 49 evening students was selected in order to determine whether the average age of the students is signicantly different from 21 years. The average age of the students in the sample was 22.2 years with a standard deviation of 3.5 years. Use the p-value approach to test Whether the population
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please provide the complete solution of this question thanks solve completely please + Drag and drop an image or PDF file or click to browse.. Q3 (8 points) Q3 (8pts) Compare Chebyshev's rule and empirical rule by calculating the proportion of observations within & standard deviations of the moan, k - 2, 3, using both rules. + Drag and drop an
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Pleasesssssssss help me I'm stuck here. If possible I want a complete solution. The deadline is now??????? II. Find the mean, median, mode, range, variance, standardard deviation, quartile using the following grouped data. Interpret the result. A. The following data represent the annual rainfall distribution in St. Louis, Missouri, for a sample of
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A researcher conducts a diagnostic examination to 20 students. The following arethe interpretation of the diagnostic examination A researcher conducts a diagnostic examination to 20 students. The following are the interpretation of the diagnostic examination. 1. James got a score which is 60% higher than those who took the diagnostic test. 2.
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question9 Question 9 1 pts Based on a positive correlation between air conditioner use and drownings, the mayor has announced a plan to cut down on the number of people who drown every year by banning the use of air conditioners near seaside areas. Which of the following statements is most likely to be correct? AI The mayor's plan will work,
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This is really frustrating. The numbers of faculty at 20 randomly selected state-controlled colleges and universities with enrollment under 12,000 students are shown below. Use these data to estimate the mean number of faculty at all state-controlled colleges and universities with enrollment under 12,000 with 94% condence. Assume o : 165.1. Round
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A group of 70 college students from a certain liberal arts college were randomly sampled and Type numbers in the boxes asked about the number of alcoholic drinks they have in a typical week. The purpose of this 10 points study was to compare the drinking habits of the students at the college to the drinking habits of college students in general.
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Poisson distribution;;;; Change issue 16 in portion 4.2 of your substance, including drawing markers from a compartment of markers with ink and markers without ink. Expect that the case contains 19 markers: 14 that contain ink and 5 that don't contain ink. An illustration of 8 markers is picked and a sporadic variable Y is portrayed as the amount
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A researcher is interested in the number of days that successful athletes train to run a full marathon. She gets the workout logs for one year for all the athletes who completed a specific marathon in less than four hours. On the average, these athletes of the past trained for 305 days per year. She is in charge of the training for 20 athletes.

. .. . . . . . .. . . . . .... ... .. . .:. " .. . . . . . . . . . . . . .. .i .... .. . . . . ... ... ... i . . ...... . . . . . ... . . .... . .. . . . E . .. . . . . .... . .. .." . .. .. . . . ... .." .: . Line D . ... . . . :' . ... . .. ... .. . . . . . . . . .: . .. .: X .10 .... . . .. .. . .... .:.: A) Line D, Equation 1 B) Line C,
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Information for Question 33: A component of cholesterol called high-density lipoprotein (HDL) is known as 'good cholesterol' because high levels of HDL are thought to lower the risk of coronary heart disease. It is believed that runners have increased HDL levels. The data below give details of an HDL study comparing male runners. runners with a
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please help me to answer this with solution . please help me to answer this question Direction: Answer the following. Classify each sample as random, systematic, cluster, convenience, or stratified. Write your answer before the number. 1, In a large school district, all teachers from two buildings are interviewed to determine whether they believe
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The empirical rule in statistics states, that if the data in the population is approximately normally distributed then approximately 95% of the values in a population should fall within the interval 2 (where and are the population average and population standard deviation respectively). (i) If the birth weights of the rat-pups are approximately

Please answer ASAP. I will give a thumbs up if you can answer quickly!! What is your decision concerning the hypothesis if a = 0.05 Ho : M1 - M2 - M3 Ha : Not all the means are equal Do not Reject the Null Hypothesis Reject the Null Hypothesis Accept the alternate hypothesis O Reject the alternate hypothesis
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QUESTION 1A. By convention, it has been determined that alpha levels should be set no larger than 1..05 .2..10. 3..01. 4..50. B. A researcher is interested in studying the eating behavior of rats and obtains 25 rats to participate in a research study. The group of 25 rats is called a ____. 1.sample2.statistic3.parameter4.population C. A Type I

1A)The time taken to thoroughly audit the books of a small business by Royce, Smith and Jones Auditors has been found to follow a normal distribution with a mean of 5.8 days and a standard deviation of 7 days. For what proportion of claims is the processing time expected to be longer than 8 days? Give your answer to two decimal places in the form

Question 4 (1 point) Listen The normal random variable, x, is the number of miles a new tire will last. Road tests performed by the engineering group indicates the mean number of miles a new tire will last is 50,000 miles and the standard deviation for the number of miles a new tire will last is 10,000 miles. What mileage should the company
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A sweatshirt supplier is trying to decide how many sweatshirts to print for the upcoming NCAA basketball championships. The final four teams have emerged from the quarterfinal round, and there is now a week left until the semifinals, which are then followed in a couple of days by the finals. Each sweatshirt costs $10 to produce and sells for $25.
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(a) What is the probability that a randomly selected student does not attend football games? (b) Given that a randomly selected student does not attend a football game, what is the probability they are a senior? (c) Given that a randomly selected student is not a senior, what is the probability that they attend a football game? (d) Given that a
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Statistics has an important role in the analysis of data. However, some claim that the more important role of statistics is in the design stage when one decides how to collect the data. Good design may improve the chances that the eventual inference of the data will lead to a meaningful and trustworthy conclusion. In many situations different

answer the following Compare the doubling times found with the approximate and exact doubling time formulas. Then use the exact doubling time formula to answer the given question. Anation of 100 million people is growing at a rate of 4% per year. What will its population be in 20 years? Calculate the doubling times found with the approximate and
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What is the probability of having diabetes given that you are also overweight? Considere la siguiente tabla: Con Diabetes Sin Diabetes Total Con Sobrepeso 0.45 0.15 0.60 Sin Sobrepeso 0.10 0.30 0.40 Total 0.55 0.45 1.00 Cual es la probabilidad de tener diabetes dado que tambien se tiene sobrepeso
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1.What two properties must be satisfied by a continuous probability distribution / probability curve? 2.Explain what the meantells us about a normal curve, and explain what the standard deviationtells us about a normal curve. 3.Explain how to compute the z value. What does the z value tell us about the value of the random variable? 4.Let x be a

You want to study the ability of students to talk at a normal tone while listening to loud music with their MP3 player headphones. You measure how loud a student talks normally, then you measure how loud the student talks while listening music with his or her MP3 player headphones. The control group is students who do not regularly use an MP3
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Suppose that the distribution of exam scores in a class of 200 student is a normal distribution. Also suppose that the distribution's mean is 60 points, and its standard deviation is 10. a)Use the68-95-99.7 rule to determine what percent of the scores do we expect to fall below 50? b) How many scores do we expect to fall below 50? c) Which z-score

Fn07 please help 5. An electrical company at point A needs to run a wire from a generator to a factory that is on the other side of a one mile wide river and 10 miles downstream at a point C. It costs $600 per mile to run the wire on towers across the river and $400 per mile to run the wire over land along the river. The wire will cross the river
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The P-an incentive for a right-followed test is P=0.042. Which of coming up next is INCORRECT? a) The P-an incentive for a two-followed test dependent on a similar example would be P=0.084 b) The P-an incentive for a left-followed test dependent on a similar example would be P=-0.042 c) The z-score test measurement is around z=1.73 d) We would
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(c) [7 pts] State your decision and conclusion on the test.Pica is a children's disorder characterized by a craving for nonfood substances such as clay, plaster and paint. Anyone affected runs the risk of ingesting high levels of lead1 which can result in kidney damage and neurological dysfunction. Checking a child's blood lead level is a standard
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STAT 235, ASAP please. The rest choices for b are:(-infinity, 12.442) and the value of 12.4 will be rejected.(11.444, infinity) and the value of 12.4 will be rejected.(11.382, 12.504) and the value of 12.4 will not be rejected.(11.444, infinity) and the value of 12.4 will not be rejected. LBERTA eClass For the 2021 National Hockey League (NHL)
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Please help me understand this problem The following data represent the concentration of dissolved organic carbon (mg/L) collected from 20 samples of organic soil. Assume the population is normally distributed. 5.20 29.80 27.10 16.51 11.40 8.81 11.40 20.46 14.90 33.67 30.91 14.86 16.87 15.35 9.72 19.80 14.86 8.09 11.90 18.30 Find the sample mean.
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Let f (x , y ] =. 1x4/5/4 it (L , y ) + (0 .0 ) 0 -, if ( x , y ) = ( 010 ) 5 ) A function f: IRh, In is said to be even, complete if fox) = PC-x ) v x ERS. If pes differentiable () and even Compute of at the origin of Rn 6 ) Determine the o'guation of the line tangent to the path ( lost , 3 t - t , that t=0. 7 ) Calculate an equation for the
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The patient recovery time from a particular surgical procedure is normally distributed with a mean of 3 days and a standard deviation of 1.9 days. Let X be the recovery time for a randomly selected patient. Round all answers to 4 decimal places where possible. a. What is the distribution of X? X ~ N (_______, ______) b. What is the median recovery

What is the answer? Use the given data set to complete parts (a) through (c) below. (Use a = 0.05.) X 10 8 13 9 11 14 6 4 12 7 5 y 9.14 8.13 8.74 8.77 9.26 8.09 6.12 3.11 9.14 7.26 4.73 Click here to view a table of critical values for the correlation coefficient. The linear correlation coefficient is r=. (Round to three decimal places as needed.)
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Help A magazine publishes restaurant ratings for various locations around the world. The magazine rates the restaurants for food, decor, service, and the cost per person. Develop a regression model to predict the cost per person, based on a variable that represents the sum of the three ratings. The magazine has compiled the accompanying table of

The data were collected from a statistics class. The column head gives the?variable, and each of the rows represents a student in the class. Find the?frequency, proportion, and percentage of women. Male Age Eye Shoe Height| Weight Number College Units Color Size (inches) (pounds) of Siblings This Term Handedness O 29 Blue 6 70 200 O Left 1 30
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Find the (a) mean, (b) median, in} mode, and (d) midrange for the data and then (e) answer the given question. Listed below are the amounts (dollars) it costs tor n1an1'age proposal packages at different sports venues. Are there any outliers? 39 5|] 50 SD 55 55 T5 95 101] 115 15C! 15D 20!] g. 209 225 225 250 325 351] 41m 40C! 4011 4GB 2500 3000 a.
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please answer F and K Although young workers often complain that they are overworked and do not have enough time to spend with their family, some people believe that it is in fact these workers who themselves do not take advantage of the paid leave options available to them. This is because younger workers are eager to get ahead in the rat race,
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Bb Announcem... lumenohm online homework manager Course Messages Forums Calendar Gradebook Home > MAT103 Fall 2021 > Assessment Lesson 10 - What is a discrete probability distribution? Score: 3/6 3/6 answered X Question 3 Score on last try: 0 of 1 pts. See Details for more > Next question Get a similar question You can retry this question below
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I dont know what I did wrong? Some computer output for an analysis of variance test to compare means is given. Source DF 55 MS F Groups 4 1200.0 300.0 5.71 Error 35 1837.5 52.5 Total 39 3037.5 8 Your answer is incorrect. (a) How many groups are there? 8 Your answer is incorrect. (b) What is the p-value? Round your answer to four decimal places.
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Problem 3: Running Distance A specific phone application records the distance in miles of its members' exercise runs. There are 24,112 members of this app. The data set called " Running Distance " contains each member's last recorded run distance in miles. a)Graph the distribution of the "Distance" variable using a relative frequency histogram.

HELP ME TO ANSWER ALL THE FOLLOWING GIVEN PROBLEMS BELOW, STATISTICS AND PROBABILITY TUTORSSS... I. nativity . Fill Ho! Directions: Determine what is asloed in each problem as indicated by the blanks. The rst one is done for you. 1. A school principal claims that the Grade 1 1 students in her high school have a mean score of 92. Parameter: mean
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CNNBC recently reported that the mean annual cost of auto insurance is 1046 dollars. Assume the standard deviation is 275 dollars, and the cost is normally distributed. You take a simple random sample of 11 auto insurance policies. Round your answers to 4 decimal places. a. What is the distribution of X? X ~ N( b. What is the distribution of ? I ~
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LET ME KNOW IF YOU HAVE QUESTIONS [1) (Concepts) Determine Whether the statement is True or False. You do not need to explain. (a) The error or raidual may or may not be positive. (b) The mefcient of determination is a number greater than zero. (1:) In one way,' ANOVA, the grand mean is the sum of all data. (d) Scatter plot is one way to determine
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A psychologist is interested in knowing whether adults who were bullied as children differ from the general population in terms of their empathy for others. On a questionnaire designed to measure empathy, the mean score for the general population is 40.48. Random sampling of 25 scores obtained from individuals who were bullied yielded a mean of

A t-distributed random variable of k degrees of freedom is defined as Z tk = ?W/k where Z ? N(0,1) and W ? ?2k, Z and W are independent. Using only the uniform number generator in R (runif), generate 100 random samples X, where X is a mixture t distribution, i.e., X ? 0.3t3 + 0.35t5 + 0.35t7. A t-distributed random variable of k degrees of freedom
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\f\f\fUse the standard errorto construct a prediction interval for Yusing an alpha of 5%. (Round your answer to Zdecimal places.) Prediction interval for Y: 3:5; : |:| Based on the width ofthis prediction interval, would you say the predictions are good enough to have practical value? 0 Yes C) No
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" 1 population, average Question": What's the average number of spring quarter units for a De Anza student? Question: How many units are you taking for the spring quarter? I need help on 3a and 3b -my data is in the comment section -I need the number of units I took which was 15 units and use that to determine whether the De Anza average is
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