SOLUTION: a clinical trial tests a mehod designed to increase the probability of conceivin a girl. in the study 400 babies were born, and 320 of them were girls. use the sample data to const

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Question 914437: a clinical trial tests a mehod designed to increase the probability of conceivin a girl. in the study 400 babies were born, and 320 of them were girls. use the sample data to construct a 99% confidence interval estimate of the percentage of girls born
Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!
p(girl) = 320/400 = .8
ME = 2.576sqrt%28%28.8%2A.2%29%2F400%29
CI: (.8-ME , .8+ME)