Probability trucks selected randomly get miles per gallon

Reference no: EM13115561

The estimated miles per gallon (on the highway) ratings of a class of trucks are normally distributed with a mean of 12.8 and a standard deviation of 3.2. What is the probability that one of these trucks selected at random would get a) between 13 and 15 miles per gallon? b) between 10 and 12 miles per gallon?

Reference no: EM13115561

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