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Question Help A clinical trial tests a method designed to increase the probability of conceiving a...

Question Help A clinical trial tests a method designed to increase the probability of conceiving a girl. In the study 370 370 babies were​ born, and 296 296 of them were girls. Use the sample data to construct a 99 99​% confidence interval estimate of the percentage of girls born. Based on the​ result, does the method appear to be​ effective?

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