7 & 8 part be for question 8 is not 0.03

7. [-/4 Points] DETAILS YMSSTAT2 12.E.009. MY NOTES ASK YOUR TEACHER PRACTICE ANOTHER When trying to hire managers and executives, companies sometimes verify the academic credentials described by the applicants. One company that performs these checks summarized their findings for a six-month period. Of the 90 applicants whose credentials were checked, 19 lied about having a degree. (a) Find the proportion of applicants who lied about having a degree, and find the standard error. SE = (b) Consider these data to be a random sample of credentials from a large collection of similar applicants. Give a 90% confidence interval for the true proportion of applicants who lie about having a degree. lower bound upper bound 8. [1/2 Points] DETAILS PREVIOUS ANSWERS YMSSTAT2 12.E.010. MY NOTES ASK YOUR TEACHER PRACTICE ANOTHER A college student organization wants to start a nightclub for students under the age of 21. To assess support for this proposal, they will select an SRS of students and ask each respondent if he or she would patronize this type of establishment. They expect that about 74% of the student body would respond favorably. (a) What sample size is required to obtain a 80% confidence interval with an approximate margin of error of 0.03? 352 (b) Suppose that 54% of the sample responds favorably. Calculate the margin of error for the 80% confidence Interval. 3% X 9. [1/1 Points] DETAILS PREVIOUS ANSWERS YMSSTAT2 12.E.012. MY NOTES ASK YOUR TEACHER PRACTICE ANOTHER MacBook Air