Using the realtor sales information from Exercise 13.14, the realtor makes a typical commission of $4000 on each home sold, but he needs to pay an assistant $900 each week.
a. What is the realtor's expected net profit each week?
b. What is the standard deviation in the realtor's weekly net profit?
c. During a 12-week quarter, what is the realtor's expected net profit?
d. During a 12-week quarter, what is the standard deviation in the realtor's net profit?