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Nationwide Auto Parts uses a periodic review inventory control system for one of its stock items....

Nationwide Auto Parts uses a periodic review inventory control system for one of its stock items. The review interval is 12 ​weeks, and the lead time for receiving the materials ordered from its wholesaler is 4 weeks. Weekly demand is normally​ distributed, with a mean of 125 units and a standard deviation of 25 units. Refer to the standard normal table LOADING... 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.)

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