HELP SOLVE PLEASE!! ASAP :( Problem 26 Question Help Nationwide Auto Parts uses

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HELP SOLVE PLEASE!! ASAP :(

Problem 26 Question Help Nationwide Auto Parts uses a periodic review inventory control system for one of its stock items. The review interval is 10 weeks, and the lead time for receiving the materials ordered from its wholesaler is 5 weeks. Weekly demand is normally distributed, with a mean of 75 units and a standard deviation of 15 units. Refer to the standard normal table for z-values. a. What is the average and the standard deviation of demand during the protection interval? The average demand during the protection interval is units. (Enter your response as an integer) Enter your answer in the answer box and then click Check Answer parts Clear AlI Check Answer

Explanation / Answer

Protection interval (PI) = P + L = 10+5 = 15 weeks

Average demand during PI = 15 (75) = 1125 units

Standard deviation during PI = sqrt(p) * SD = sqrt(15) * 15 = 58 units

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