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The CDC reports that 2 5 % of baby boys 6 - 8 months old in the United States weigh more than 2 0 pounds.
The CDC reports that of baby boys months old in the United States weigh more than pounds. A sample of babies is studied.
a What is the probability that exactly of them weigh more than pounds?
b What is the probability that fewer than weigh more than pounds?
c What is the mean number who weigh more than pounds in a sample of babies aged months?
d What is the standard deviation of the number who weight more than pounds in a sample of babies aged months? Round your answer to four decimal places.
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