The Environmental Protection Agency (EPA) rates the mean highway gas mileage of the 2017 Chevrolet Sonic to

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The Environmental Protection Agency

(EPA) rates the mean highway gas mileage of the 2017 Chevrolet Sonic to be 28 miles per gallon. Assume the standard deviation is 3 miles per gallon. A rental car company buys 60 of these cars.

a. What is the probability that the average mileage of the fleet is greater than 27.5 miles per gallon?

b. What is the probability that the average mileage of the fleet is between 27 and 27.8 miles per gallon?

c. Would it be unusual if the average mileage of the fleet were less than 27 miles per gallon?

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Elementary Statistics

ISBN: 9781259969454

3rd Edition

Authors: William Navidi, Barry Monk

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Question Posted: May 06, 2024 12:01 PM

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The Environmental Protection Agency (EPA) rates the mean highway gas mileage of the 2017 Chevrolet Sonic to

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Elementary Statistics

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