Answer Happy

Posted: **Tue Apr 26, 2022 5:48 pm**

: 2 A Sociologist Wishes To Conduct A Poll To Estimate The Percentage Of Americans Who Favor Affirmative Action Programs 1 (22.72 KiB) Viewed 29 times

: 2 A Sociologist Wishes To Conduct A Poll To Estimate The Percentage Of Americans Who Favor Affirmative Action Programs 2 (11.43 KiB) Viewed 29 times

2. A Sociologist wishes to conduct a poll to estimate the percentage of Americans who favor affirmative action programs for women and minorities for admission to colleges and universities. What sample size should be obtained if she wishes the estimate to be within 8 percentage points with 90% confidence if, a) he uses a 2010 estimate of 70% obtained from Harris poll. b) he does not use any prior estimates.
c) Calculate a 95% Confidence interval for the mean y with x*=35 d) Calculate the 95% Prediction Interval for the mean 9 with x*=35