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25. Campus Life: Coeds What percentage of your campus student body is
female? Let p be the proportion of women students on your campus.
(a) If no preliminary study is made to estimate p, how large a sample is
needed to be 99% sure that a point estimate p will be within a distance
of 0.05 from p?
(b) The Statistical Abstract of the United States, 112th edition, indicates that
approximately 54% of college students are female. Answer part (a) using
this estimate for p.