Fuel economy estimates for automobiles built one year, Ask an Expert

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Fuel economy estimates for automobiles built one year predicted a mean of 25.8 mpg and a standard deviation of 7.2 mpg for highway driving. Assume normal model.

What is the probability that a randomly selected automobile built this particular year gets more than 16.44 mpg? (round 4 decimals)

The lowest 2.5% of gas mileages of automobiles built this particular year get less than how many miles per gallon? (round 1 decimal)

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