Martina is in charge of ordering brake pads for an auto shop. The daily demand for brake pads is normally distributed with an average of 40 brake pads and a standard deviation of 8 break pads. Currently, it takes 4 days between when Martina places an order for new brake pads and when the order is received. Currently, Martina orders new break pads when there are 184 break pads left in stock. 1) What is the average demand during lead time? 2) What is the standard deviation of demand during lead time? 3)What is the service level provided by Martina's auto shop?

Practical Management Science
6th Edition
ISBN:9781337406659
Author:WINSTON, Wayne L.
Publisher:WINSTON, Wayne L.
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Martina is in charge of ordering brake pads for an auto shop. The daily demand for brake pads is normally distributed with an average of 40 brake pads and a standard deviation of 8 break pads. Currently, it takes 4 days between when Martina places an order for new brake pads and when the order is received. Currently, Martina orders new break pads when there are 184 break pads left in stock.

1) What is the average demand during lead time?

2) What is the standard deviation of demand during lead time?

3)What is the service level provided by Martina's auto shop?

 

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