Assume that different groups of couples use a particular method of gender selection and each couple gives birth to one baby. This method is designed to increase the likelihood that each baby will be a girl, but assume that the method has no effect, so the probability of a girl is 0.50. Assume that the groups consist of 32 couples. A) Find the mean and the standard deviation for the numbers of girls in groups of 32 births.
Assume that different groups of couples use a particular method of gender selection and each couple gives birth to one baby. This method is designed to increase the likelihood that each baby will be a girl, but assume that the method has no effect, so the probability of a girl is 0.50. Assume that the groups consist of 32 couples. A) Find the mean and the standard deviation for the numbers of girls in groups of 32 births.
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.4: Distributions Of Data
Problem 19PFA
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Assume that different groups of couples use a particular method of gender selection and each couple gives birth to one baby. This method is designed to increase the likelihood that each baby will be a girl, but assume that the method has no effect, so the probability of a girl is 0.50. Assume that the groups consist of
32 couples.
A) Find the mean and the standard deviation for the numbers of girls in groups of 32 births.
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Is the result of
29
girls a result that is significantly high? What does it suggest about the effectiveness of the method?
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