Question

The figure to the right shows the results of a survey in which 3000 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.

A table labeled "Employment, College students' responses to questions about employment" consists of five rows containing the following information from top to bottom, with row listed first and information listed second: Expect to stay at first employer for 3 or more years, 70 percent; Completed an apprenticeship or internship, 68 percent; Employed in field of study, 64 percent; Feel underemployed, 45 percent; Prefer to work for a large company, 13 percent.70%68%64%45%13%

The

99%

confidence interval for the proportion of college students that expect to stay at their first employer for 3 or more years is

left parenthesis nothing comma nothing right parenthesis0.6780.678,0.7210.721.

​(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

left parenthesis nothing comma nothing right parenthesis,.

​(Round to three decimal places as​ needed.)

Answer 1

Solution Given thah 人 .3000 A onfidnce interval tor e is 十てん12 イ 3000 O. 6 + o.022