The Centers for Disease Control and Prevention reports that 25% of baby boys 68 months old in

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The Centers for Disease Control and Prevention reports that 25% of baby boys 6–8 months old in the United States weigh more than 20 pounds. A sample of 150 babies is studied.

a. Approximate the probability that more than 40 weigh more than 20 pounds.

b. Approximate the probability that 35 or fewer weigh more than 20 pounds.

c. Approximate the probability that the number who weigh more than 20 pounds is between 30 and 40, exclusive.

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Elementary Statistics

ISBN: 9781259969454

3rd Edition

Authors: William Navidi, Barry Monk

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Question Posted: May 06, 2024 12:00 PM

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The Centers for Disease Control and Prevention reports that 25% of baby boys 68 months old in

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Elementary Statistics

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