An education researcher claims that 60% of college students work year-round. In a random sample of 300 college students, 180 say they work year-round. Ata=0.05, 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)O A. At most% of college students work year-round.B. 60 % of college students work year-round.OC Atleast% of college students work year-round.OD. The percentage of college students who work year-round is not%.Let p be the population proportion of successes, where a success is a college student who works year-round. State Hn and H, Select the correct choice belowand fill in the answer boxes to complete your choice.(Round to two decimal places as needed.)O A. Ho p#O B. Ho p-OC.O C. Ho P<H ptHa p2Ha p=cesOF Ho psO E. Ho p>OD. Ho PeHa p>H psHa p<Clear allCheck answerGet more help-View an exampleHelp me solve thisPrivacy PoliCY I PermissTons | ContCopyright o 2021 Pearson Education INC. All rights reserved. Terms of Use62°F99+ere to search10/05/17

Solution Given 60% of college students work year-round.

Answered: An education researcher claims that 60%…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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Find mean if n is 2 and p is 0.8
A survey showed that 34% of human resource professionals are at companies that rejected job candidates because of information found on their social media. If 27 human resource professionals are randomly selected, would 16 be a significantly high number to be at companies that rejected job candidates because of information found on their social media? Why or why not? Select the correct choice below and fill in the answer box within your choice. (Round to four decimal places as needed.) O A. No, 16 would not be significantly high because the probability of 16 or more is O B. Yes, 16 would be significantly high because the probability of 16 or more is O c. Yes, 16 would be significantly high because the probability of 16 or more is O D. No, 16 would not be significantly high because the probability of 16 or more is which is low. which is low. which is not low. which is not low.
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A teacher claims that over 9% of maths students are married. In the survey at the beginning of semester, 45 students answered the question about their marital status. 9 of them said they were married. Calculate the test statistic Z? Round answer to 2 decimals
In a random sample of seven people, the mean driving distance to work was 22.5 miles and the standard deviation was 5.9 miles. Assume the population is normally distributed and use the t-distribution to find the margin of error and construct a 95% confidence interval for the population mean u. Interpret the results. Identify the margin of error. (Round to one decimal place as needed.) Construct a 95% confidence interval for the population mean. (Round to one decimal place as needed.) Interpret the results. Select the correct choice below and fill in the answer box to complete your choice. (Type an integer or a decimal. Do not round.) O A. With % confidence, it can be said that most driving distances to work (in miles) in the population are between the interval's endpoints. O B. It can be said that % of the population has a driving distance to work (in miles) that is between the interval's endpoints. OC. With % confidence, it can be said that the population mean driving distance to work…
A charity holds a raffle in which each ticket is sold for $30. A total of 12,000 tickets are sold. They raffle one grand prize which is a Mercedes Benz E350 valued at $45,000 along with 4-second prizes of Kawasaki motorcycles valued at $9,000 each. What are the expected winnings for a single ticket buyer? Express to at least three decimal place accuracy in dollar form (as opposed to cents).
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…
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find mean if n is 5 and p is 0.2
Some states now allow online gambling. As a marketing manager for a casino, you need to determine the percentage of adults in those states who gamble online. How many adults must you survey in order to be 90% confident that your estimate is in error by no more than one percentage point? Complete parts (a) and (b) below. a. Assume that nothing is known about the percentage of adults who gamble online. n=0 (Round up to the nearest integer.) b. Assume that 18% of all adults gamble online. n= (Round up to the nearest integer.)
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