The average miles per gallon of a particular automobile

Last updated: 7/23/2022

The average miles per gallon of a particular automobile model are approximately normally distributed with a given mean= 43.8 miles per gallon and standard deviation = 5.1 miles per gallon. What percentage of the automobiles have an average miles per gallon between 38.7 miles per gallon and 48.9 miles per gallon? 68% 75% 95% 100%