Nationwide auto parts uses a periodic review inventory control system for one of its stock items. the review interval is 4 weeks, and the lead time for receiving the materials ordered from its wholesaler is 1 weeks. weekly demand is normally distributed, with a mean of 150 units and a standard deviation of 30 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 nothing units. (enter your response as an integer.)

Urgent! 20 points! here is a you are the new manager at trusty goods wholesale produce. you need to figure out how to adjust the amount of produce in your notes after the events of the day: you got 5 more crates of bananas someone returned 2 crates of apples a worker dropped a crate of grapes (oh no! , you had to throw them out) you sold a crate of bananas you sold 5 crates of apples can you write an expression to describe your day using: "a" for crates of apples "b" for crates of bananas and "g" for crates of grapes? make sure the expression is in simplest form question 2 (3 points) explain your steps using sentences.