A computer selects a number X from 5 to 13 randomly and uniformly. Round all answers to 4 decimal places where possible. a. What is the distribution of X?X Ui b. Suppose that the computer randomly picks 38 such numbers. What is the distribution of x for this selection of numbers. xN(, c. What is the probability that the average of 38 numbers will be less than 8.4 ?.