Studies show that highway gas mileage for compact cars sold in the United States is normally distributed,

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Studies show that highway gas mileage for compact cars sold in the United States is normally distributed, with a mean of 35.5 miles per gallon (mpg) and a standard deviation of 4.5 mpg.

What percentage of compacts get 40 mpg or more?

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Introduction To Probability And Statistics

ISBN: 9780357114469

15th Edition

Authors: William Mendenhall Iii , Robert Beaver , Barbara Beaver

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