An owner of a fleet of taxis wants to estimate the mean gas mileage, in miles per

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An owner of a fleet of taxis wants to estimate the mean gas mileage, in miles per gallon, of the cars in the fleet. A random sample of 40 cars is followed for one month, and the sample mean gas mileage is 23.2 with a standard deviation of 5.8.

Construct a 90% confidence interval for the mean gas mileage in the fleet.

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Elementary Statistics

ISBN: 9781259969454

3rd Edition

Authors: William Navidi, Barry Monk

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Question Posted: May 07, 2024 12:02 PM

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An owner of a fleet of taxis wants to estimate the mean gas mileage, in miles per

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Elementary Statistics

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