The Environmental Protection Agency (EPA) fuel economy estimates for automobile models tested recently predicted a mean
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The Environmental Protection Agency (EPA) fuel economy estimates for automobile models tested recently predicted a mean
The Environmental Protection Agency (EPA) fuel economy estimates for automobile models tested recently predicted a mean of 30.8 miles per gallon, with a standard deviation of 4.2 miles per gallon. Assume that a Normal model applies. Find the probability that a randomly selected automobile will average: 1. Less than 26 miles per gallon. 2. More than 24 miles per gallon. 3. Between 27 and 33 miles per gallon.
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