Question: The length of time it takes students to complete a statistics examination is uniformly distributed and varies between 40 and 60 minutes.

a. Compute the hill that a student will take between 45 and 50 minutes to complete the examination.

b. Compute the probability that a student will take, no more than 40 minutes to complete the examination.

c. What is the expected amount of time it takes a student to complete the examination?

d. What is the variance for the amount of time it takes a student to complete the examination?