Please Answer The Following Question With Work Shown

4. Rose Office Supplies, Inc., uses a two-week periodic review for its store inventory. A particular three-ring notebook sells at an average rate of 16 notebooks per week. The standard deviation in sales is 5 notebooks per week. The lead time for a new shipment is three days. The mean lead-time demand is 8 notebooks with a standard deviation of 3.5. a. What is the mean or expected demand during the review period plus the lead-time period? b. What is the variance of demand during the review period plus the lead-time period? What is the standard deviation of demand during the review period plus the lead-time period? c. Assuming that demand has a normal probability distribution, what is the replenishment level that will provide 2% probability of stock-out rate of one per year? d. On Monday, Mareh 22, 18 notebooks remain in inventory at the store. How many notebooks should the store manager order? 4. Rose Office Supplies, Inc., uses a two-week periodic review for its store inventory. A particular three-ring notebook sells at an average rate of 16 notebooks per week. The standard deviation in sales is 5 notebooks per week. The lead time for a new shipment is three days. The mean lead-time demand is 8 notebooks with a standard deviation of 3.5. a. What is the mean or expected demand during the review period plus the lead-time period? b. What is the variance of demand during the review period plus the lead-time period? What is the standard deviation of demand during the review period plus the lead-time period? c. Assuming that demand has a normal probability distribution, what is the replenishment level that will provide 2% probability of stock-out rate of one per year? d. On Monday, Mareh 22, 18 notebooks remain in inventory at the store. How many notebooks should the store manager order