Is college worth it?: A poll was conducted to determine why Americans decide not to go to college. Of the324 Americans who didn't go to college survey surveyed, 49% decided not to go to college because theycouldn't afford it.a) Calculate a 90% confidence interval for the proportion of Americans who decide to not go to collegebecause they couldn't afford it, and interpret the interval in context. Round your answers to 4 decimal places.lower bound: 4442upper bound: .5358Interpret the confidence interval in context:90% of Americans choose not to go to college because they cannot afford itO We are 90% confident that the proportion of all Americans who choose not to go to college becausethey cannot afford it is contained within our confidence intervalWe are 90% confident that our confidence interval contains the sample proportion of Americans whochoose not to go to college because they cannot afford itb) Suppose we wanted the margin of error for the 90% confidence level to be about 1.5%. What sample sizewould you recommend for the survey? Round your answer appropriately.A survey should include at least 3024X people.Submit All Parts

Given that A poll was conducted to determine why Americans decide not to go to college. Of the 324…

Answered: Is college worth it?: A poll was…

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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The figure to the right shows the results of a survey in which 2000 college graduates from the year 2016 were asked questions about employment. Construct 99% confidence intervals for the population proportion of college students who gave each response. Employment College students' responses to questions about employment Expect to stay at first employer for 3 or more years Completed an apprenticeship or internship 70% 66% Employed in field of study 61% Feel underemployed 46% Prefer to work for a large company 15% The 9970 Conuenit initivaliui int proportion un cuiityt diuutid inal txptul iu diay al ineli idi empivyti iui j'ui muit years is (0.01, 0.121). (Round to three decimal places as needed.) The 99% confidence interval for the proportion of college students that have completed an apprenticeship or internship is (J.). (Round to three decimal places as needed.)
A survey collected data on attitudes toward the quality of customer service in retail stores. The survey found that 270 of the 750 American adults sampled felt that customer service is better today than it was two years ago. We wish to develop a 94% confidence interval for the proportion of American adults who feel customer service is better today than it was two years ago. What is the population? A) the 750 American adults sampled B) customer service representatives C) all American adults

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