Question: A clinical trial tests a method designed to increase the probability of conceiving a girl. In thestudy,428 babies were born, and 2 42 of them

A clinical trial tests a method designed to increase the probability of conceiving a girl. In thestudy,428babies wereborn, and 242of them were girls. Use the sample data with a 0.01 significance level to test the claim that with thismethod, the probability of a baby being a girl is greater than 0.5.

What is the test statistic?

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