According to the Current Population Report of the United States census, 3 2 . 3 % of males aged 2 5 or older have earned a bachelor's degree or higher. Suppose that Nancy works for the city of Peoria, AZ . City officials have asked her to estimate the proportion of males aged 2 5 or older in Peoria who have earned a bachelor's degree or higher. They have requested that her estimate have a confidence level of 9 5 % and a margin of error of 2 % , or 0 . 0 2 . Determine the sample size needed for the 9 5 % confidence interval to be no more than 0 . 0 2 .
n = _ _ _ _ _ _ males aged 2 5 or older