Big babies: 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 16 babies is studied. a. What is the probability that exactly 5 of them weigh more than 20 pounds? b. What is the probability that more than 6 weigh more than 20 pounds? c. What is the probability that fewer than 3 weigh more than 20 pounds? d. Would it be unusual if more than 8 of them weigh more than 20 pounds?

Big babies: 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 16 babies is studied. a. What is the probability that exactly 5 of them weigh more than 20 pounds? b. What is the probability that more than 6 weigh more than 20 pounds? c. What is the probability that fewer than 3 weigh more than 20 pounds? d. Would it be unusual if more than 8 of them weigh more than 20 pounds?

College Algebra

7th Edition

ISBN:9781305115545

Author:James Stewart, Lothar Redlin, Saleem Watson

Publisher:James Stewart, Lothar Redlin, Saleem Watson

Chapter9: Counting And Probability

Section: Chapter Questions

Problem 5CC

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