The following circle graph shows the favorite snacks for people ages 25-30. The total number of people who participated in the survey was 144 people. How many people chose fruit as their favorite snack?

The ages of personnel in the accounting department of a large company are normally distributed with a standard deviation of 7 years. there is a 0.02275 probability that the age of any randomly chosen person in the department is less than 22 and 0.15866 probabilty that the age of any randomly chosen person is greater than 43. what is the mean of this distribution?