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Solved: In Exercises, use either technology or the
Chapter 5, Problem 30BSC(choose chapter or problem)
In Exercises 29–32, use either technology or the Binomial Probability table (Table A1).
Live TV Based on a Comcast survey, there is a 0.8 probability that a randomly selected adult will watch primetime TV live, instead of online, on DVR, etc. Asssume that seven adults are randomly selected, and find the indicated probability.
a. Find the probability that exactly two of the selected adults watch primetime TV live.
b. Find the probability that exactly one of the selected adults watches primetime TV live.
c. Find the probability that fewer than three of the selected adults watch primetime TV live.
d. If we randomly select seven adults, is two an unusually low number for those who watch primetime TV live?
Questions & Answers
QUESTION:
In Exercises 29–32, use either technology or the Binomial Probability table (Table A1).
Live TV Based on a Comcast survey, there is a 0.8 probability that a randomly selected adult will watch primetime TV live, instead of online, on DVR, etc. Asssume that seven adults are randomly selected, and find the indicated probability.
a. Find the probability that exactly two of the selected adults watch primetime TV live.
b. Find the probability that exactly one of the selected adults watches primetime TV live.
c. Find the probability that fewer than three of the selected adults watch primetime TV live.
d. If we randomly select seven adults, is two an unusually low number for those who watch primetime TV live?
ANSWER: