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Question content area top Part 1 A clinical trial tests a method designed to increase the probability of conceiving a girl. In the study 540

Question content area top

Part 1

A clinical trial tests a method designed to increase the probability of conceiving a girl. In the study

540

babies were born, and

297

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?

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