A Certain Car Model Has a Mean Gas Mileage of 28

question 104

Multiple Choice

A certain car model has a mean gas mileage of 28 miles per gallon (mpg) with a standard deviation 3 mpg. A pizza delivery company buys 43 of these cars. What is the probability that the average Mileage of the fleet is greater than 27.6 mpg?

• A) 0.9147
• B) 0.8078
• C) 0.0853
• D) 0.6808

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