Question

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 110 and 120 (inclusive) commuters drive to work alone?
c. What is the probability that more than 95 commuters drive to work alone?



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  • CreatedFebruary 19, 2015
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