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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 0.5

0.5. Assume that the groups consist of 31

31 couples. Complete parts​ (a) through​ (c) below.

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