At Pam's Organic Cookie Shop, the demand rate for a box of triple chocolate cookies is normally distributed, with an average of 4,250 boxes per week. The lead time is five weeks. The standard deviation of weekly demand is 25 boxes.
a. What is the standard deviation of demand during the five-week lead time?
b. What is the average demand during the five-week lead time?
c. What reorder point results in a cycle-service level of 99 percent?