Find the probablilty that a car has gas mileage in range
Course:- Basic Statistics
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The average gas mileage of a certain model car is 28.0 miles per gallon. If the gas mileages are normally distributed with a standard deviation of 0.45 miles per gallon, find the probablilty that a car has a gas mileage of between 27.8 and 28.2 miles per gallon.

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