A research institute conducted clinical trials of a method designed to increase the probability of conceiving a boy. 152 babies born to parentsusing...

A research institute conducted clinical trials of a method designed to increase the probability of conceiving a boy. 152 babies born to parentsusing the method ,  123 were boys . I dentify the margin of error and the 95 % confidence interval.

2-Study done by researchers at university concluded that 80% of all student athletes in this country have been subjected to some form of hazing. the study is based on responses from 1800 athletes. WHAT IS HE MARGIN OF ERROR and 95% CONFIDENCE INTERVAL