The average gas mileage of a certain model car is 30. 0 miles per gallon. If the gas


mileages are normally distributed with a standard deviation of 0. 75 miles per


gallon, find the probability that a car has a gas mileage of between 29. 8 and 30. 2


miles per gallon.


A. 0. 107


B. 0. 213


C. 0. 273


D. 0. 287