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The miles-per-gallon obtained by the 1995 model Q cars is normally distributed with a mean of 22

miles-per-gallon and a standard deviation of 5 miles-per-gallon. What is the probability that a car will get less than 21 miles-per-gallon? (4 Decimal format = 0.0000)

Answer: .4207

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Find the z score of 21 mpg. This is (21 - 22) / 5 =... View the full answer

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