Use the following information to answer the next five exercises: The distribution of results from a cholesterol test has a mean of 93 and a standard deviation of 20. A sample size of 40 is drawn randomly.

1. Find the probability that the sum of the 40 values is greater than 6,500.

1. Find the probability that the sum of the 40 values is less than 8,000.

1. Find the sum that is one standard deviation above the mean of the sums.