A clinical trial tests a method designed to increase the probability of conceiving a girl. In the study 380 babies were born, and 323 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?

College Algebra (MindTap Course List)
12th Edition
ISBN:9781305652231
Author:R. David Gustafson, Jeff Hughes
Publisher:R. David Gustafson, Jeff Hughes
Chapter8: Sequences, Series, And Probability
Section8.7: Probability
Problem 58E: What is meant by the sample space of an experiment?
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A clinical trial tests a method designed to increase the probability of conceiving a girl. In the study 380 babies were born, and
323 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<
(Round to three decimal places as needed.)
Transcribed Image Text:A clinical trial tests a method designed to increase the probability of conceiving a girl. In the study 380 babies were born, and 323 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< (Round to three decimal places as needed.)
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