7 Assignment Saved Help Enter your search term Problem 7-18 (Algo) Suppose you are a corporate buyer One of your suppliers delivers a particular part in 10 days on average, with a standard deviation of 2. The dally usage averages 21 units per day with a standard deviation or 3. Use Table 7.2 a. What is the standard deviation of demand during lead time? (Round your answer to 2 decimal places.) Standard deviation units b. If you use a continuous review policy, how much safety stock would you want on hand to ensure at least 95 percent availability of the part while waiting for replenishment? (Round your answer to the nearest whole number) units Safely stock