-n liston 22cion 23-tion 24stion 25stion 26estion 27estion 28estion 29KYou are the operations manager for an airline and you are considering a higher fare level for passengers in aisle seats. How many randomly selected air passengers must you survey? Assume thatyou want to be 90% confident that the sample percentage is within 1.5 percentage points of the true population percentage. Complete parts (a) and (b) below.a. Assume that nothing is known about the percentage of passengers who prefer aisle seats.n=0(Round up to the nearest integer.)b. Assume that a prior survey suggests that about 37% of air passengers prefer an aisle seat.n=(Round up to the nearest integer.)

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Answered: 22 23 on 24 on 25 a. Assume that…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

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You are the operations manager for an airline and you are considering a higher fare level for passengers in aisle seats. How many randomly selected air passengers must you survey? Assume that you want to be 90% confident that the sample percentage is within 1.5 percentage points of the true population percentage. Complete parts (a) and (b) below. a. Assume that nothing is known about the percentage of passengers who prefer aisle seats. n= (Round up to the nearest integer.) nter corr
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Sixty-five randomly selected car salespersons were asked the number of cars they generally sell in one week. Fourteen people answered that they generally sell five cars; nineteen generally sell six cars; twelve generally sell seven cars; nine generally sell eight cars; eleven generally sell nine cars. Use this information to calculate the following value. (Enter an exact number as an integer, fraction, or decimal.) Third quartile
d. Let’s define a “binge watcher” as someone in the upper 5% of the distribution of minutes watching TV. How many minutes does a “binge watcher” spend per day watching TV? (Round your intermediate calculations and final answer to 1 decimal place.)
An education researcher claims that 59% of college students work year-round. In a random sample of 600 college students, 354 say they work year-round. At a=0.10, is there enough evidence to reject the researcher's claim? Complete parts (a) through (e) below. Identify the claim in this scenario. Select the correct choice below and fill in the answer box to complete your choice. (Type an integer or a decimal. Do not round.). OA. At least % of college students work year-round. OB. At most % of college students work year-round OC. The percentage of college students who work year-round is not % OD.% of college students work year-round Let p be the population proportion of successes, where a success is a college student who works year-round. State Ho and H₂ Select the correct choice below and fill in the answer boxes to complete your choice (Round to two decimal places as needed.). OA. Ho: P> Ha ps OD. Ho P= H₂: p (b) Find the critical value(s) and identify the rejection region(s) Identify…
n, where k is the percentile and n is the sample size. Given a sorted sample of 234 IQ scores, what is the value of the 40th percentile? 100 When finding the value of a percentile, the location of that value is L = Choose the correct answer below. O A. The 93rd IQ score in the sorted list O B. The 40th IQ score in the sorted list. O C. The 94th IQ score in the sorted list O D. The IQ score midway between the 40th and 41st scores in the sorted list.
conducted this year indicates that 35% planned to provide a holiday gift to their employees. Suppose the survey results are based on a sample of 85 business owners. a. How many business owners in the survey planned to provide a holiday gift to their employees this year? Round your answer to the nearest whole number. 30
NO An online test of English spelling looked at how well people spelled difficult words. The bar graph to the right shows how many people per 100 spelled each word correctly. a. Estimate the number of people per 100 who spelled weird correctly. Round to the nearest 5. b. In a group consisting of 8721 randomly selected people, estimate how many more people can correctly spell weird than inoculate. Number of People per 100 Spelling Various Words Correctly weird N cemetery accommodation harass supersede inoculate F 0 a. The approximate number of people per 100 who spelled weird correctly is (Type a whole number.) 10 20 40 60 80 100 Number of people (per 100) Q Q G
An epidemiologist plans to conduct a survey to estimate the percentage of women who give birth. How many women must be surveyed in order to be 90% confident that the estimated percentage is in error by no more than one percentage point? Complete parts (a) through (c) below. a. Assume that nothing is known about the percentage to be estimated. n= (Round up to the nearest integer.) b. Assume that a prior study conducted by an organization showed that 83% of women give birth. n= (Round up to the nearest integer.) c. What is wrong with surveying randomly selected adult women? O A. Randomly selecting adult women would result in an overestimate, because some women will give birth to their first child after the survey was conducted. It will be important to survey women who have already given birth. B. Randomly selecting adult women would result in an underestimate, because some women will give birth to their first child after the survey was conducted. It will be important to survey women who…

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22 23 on 24 on 25 a. Assume that nothing is known about the percentage of passengers who prefer aisle seats. n= (Round up to the nearest integer.) b. Assume that a prior survey suggests that about 37% of air passengers prefer an aisle seat. n= (Round up to the nearest integer.)