Affirmative Action A sociologist wishes to conduct a poll to estimate the percentage of
Chapter 9, Problem 38(choose chapter or problem)
Affirmative Action 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 4 percentage points with 90% confidence if (a) she uses a 2003 estimate of 55% obtained from a Gallup Youth Survey? (b) she does not use any prior estimates? (c) Why are the results from parts (a) and (b) so close?
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