Mathematics, 16.04.2020 23:39 817527

A clinical trial tests a method designed to increase the probability of conceiving a girl. In the study 350 babies were born, and 315 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?

_ < p < _

Does the method appear to be effective?
a. No, the proportion of girls is not significantly different from 0.5
b. Yes, the proportion of girls is significantly different from 0.5

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