Nationwide auto parts uses a periodic review inventory control system for one of its stock items. the review interval is six weeks, and the lead time for receiving the materials ordered from its wholesaler is three weeks. weekly demand is normally distributed, with mean of 100 units and a standard deviation 20 units. a) what are the average and the standard deviation of demand during the protection interval? b) what should be the target inventory level if the firm desires 97.5 percent stock-out protection? c) if 350 units were in stock at the time of a certain periodic review, how many units should be ordered?

the thermometer is precise but not accurate

step-by-step explanation:

he will have 300 because he is really broke and 300 is in his imangine

step-by-step explanation: he ehe heh step by the thy

addition

step-by-step explanation:

answer:   35 % is the probability of a late departure or an early arrival.

step-by-step explanation:

let l represents the late departure and e represents the early departure.

then, according to the question,

p(l) = 12 %,   p(e) = 27 % and = 4 %

and, we have to find out,

but, we know that,

which is the required equation that will use to find the probability of a late departure or an early departure.

therefore,   the probability of a late departure or an early arrival =   35 %