Budget Trimmers has determined that the time it takes for a men's buzz cut isuniformlydistributedand that the required time ranges between 9 minutes and 16 minutes.

a.(4 points) Draw a graph of the probability density function for buzz cut time.Label each axis, the minimum and maximum values, and the value for f(x).

b. (4 points) What is the probability that a buzz cut will take between 11 and 13 minutes?

c. (2 points) How long would you expect a buzz cut to take?

d. (2 points) What is the variance for buzz cut time?