A car manufacturer designs a fuel-efficient car for 1993. The company argues that the car can attain

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A car manufacturer designs a fuel-efficient car for 1993. The company argues that the car can attain an average of 45 miles per gallon. The miles per gallon of the car follows a normal distribution with a standard deviation of 5. What is the probability that a certain car will reach 40 or more miles per gallon?

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Statistics For Business And Financial Economics

ISBN: 9781461458975

3rd Edition

Authors: Cheng Few Lee , John C Lee , Alice C Lee

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