2.

People counting calories have to be careful about the estimates placed on pre packaged food suppose testing shows that a certain brand of doughnut has a mean calorie count of 240, so that is the amount printed on the package. However, testing shows that the calories counts vary, following a normal distribution with a standard deviation of 15 calories.

a) Find the probability that an individual doughnut for this brand contains more than 275] calories. You must show your work using a calculator function to receive credit.