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

400400

babies were born, and

340340

of them were girls. Use the sample data to construct a

9999%

confidence interval estimate of the percentage of girls born. Based on the result, does the method appear to be effective?

Question content area bottom

Part 1

enter your response hereless than<

pless than

(Round to three decimal places as needed.)