Question: A clinical trial tests a method designed to increase the probability of conceiving a girl. In the study 320 babies were born, and 256 of

A clinical trial tests a method designed to increase the probability of conceiving a girl. In the study 320 babies were born, and 256 of them were girls. Use the sample data to construct a 99% confidence interval estimate of the percentage of girls born. Based on the result, does the method appear to be effective? > D

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