Suppose that the population of a certain class of mutual funds has an average rate of return of 8.0% with a standard deviation of 3.

Suppose that the population of a certain class of mutual funds has an average rate of return of 8.0% with a standard deviation of 3.0%. If a sample size of 35 mutual funds is randomly selected, answer the following questions.A. What is the probability that the sample mean will be more than 9.0%? (Answer is .2119) B. What is the probability that eh sample mean will be less than 7.5%? (answer is .6808)C. What is the probability that the sample mean will be between 5.0% and 7.0%? (Answer is .2823