In determining automobile mileage ratings, it was found that the mpg (x) for a certain model is normally distributed, with a mean of 31 mpg and a standard deviation of 1.8 mpg. Find the following: e. The mileage rating that the upper 10% of cars achieve

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In determining automobile mileage ratings, it was found that the mpg (x) for a certain model is normally distributed, with a mean of 31 mpg and a standard deviation of 1.8 mpg. Find the following: e. The mileage rating that the upper 10% of cars achieve

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