The Environmental Protection Agency (EPA) fuel economy estimates for automobile models tested recently predicted a mean
Posted: Thu Feb 17, 2022 10:57 am
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.