According to the U.S. Bureau of the Census, about 75% of commuters in the United States drive to work alone. Suppose 150 U.S. commuters are randomly sampled. (a) What is the probability that fewer than 105 commuters drive to work alone? (b) What is the probability that between 116 and 126 (inclusive) commuters drive to work alone? (c) What is the probability that more than 96 commuters drive to work alone?
According to the U.S. Bureau of the Census, about 75% of commuters in the United States drive to work alone. Suppose 150 U.S. commuters are randomly sampled. (a) What is the probability that fewer than 105 commuters drive to work alone? (b) What is the probability that between 116 and 126 (inclusive) commuters drive to work alone? (c) What is the probability that more than 96 commuters drive to work alone?
Chapter1: Making Economics Decisions
Section: Chapter Questions
Problem 1QTC
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According to the U.S. Bureau of the Census, about 75% of commuters in the United States drive to work alone. Suppose 150 U.S. commuters are randomly sampled.
(a) What is the probability that fewer than 105 commuters drive to work alone?
(b) What is the probability that between 116 and 126 (inclusive) commuters drive to work alone?
(c) What is the probability that more than 96 commuters drive to work alone?
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