dolution

Suppose that the manager of a construction supply house determined from historical records that demand for sand averages 49 tons. In addition, suppose the manager determined that demand during lead time could be described by a normal distribution that has a mean of 49 and a standard deviation of 3 tons. Answer the following questions assuming that the manager is willing to accept a stockout risk of no more than 5 percent. Use Table B.2 (Round your answer to two decimal points.) a. What value of z is appropriate? b. How much safety stock should be held? (Round your answer to two decimal points.) c. What reorder point should be used? (Round your answer to two decimal points.)