A certain car model has a mean gas mileage of 32 miles per gallon (mpg) with...

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A certain car model has a mean gas mileage of 32 miles per gallon (mpg) with...

A certain car model has a mean gas mileage of 32 miles per gallon (mpg) with a standard deviation 4 mpg. A pizza delivery company buys 42 of these cars. What is the probability that the average mileage of the fleet is greater than 32.5 mpg?

math Statistics-And-Probability

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