The average gas mileage of a certain model car is 30 miles per gallon. If the gas mileages are normally distributed with a standard deviation of 2.1, What is the probability that a car has a gas mileage of between 29.8 and 30.6 miles per gallon?© BrainMass Inc. brainmass.com June 3, 2020, 8:51 pm ad1c9bdddf
Let X be the gas mileages. Then we know that X follows a normal distribution with mean 30 and ...
This solution calculates the probability of a car having a gas mileage between 29.8 and 30.6 miles per gallon. All steps are shown for better understanding.