Evaluate the statistical ROP when you have probabilistic demand and constant lead time, with constant demand and probabilistic lead time, and with demand and lead time both probabilistic.

Practical Management Science
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Evaluate the statistical ROP when you have probabilistic demand and constant lead time,
with constant demand and probabilistic lead time, and with demand and lead time both
probabilistic.

The Statistical Reorder Point (ROP)
The reorder point (ROP) is commonly known as the minimum inventory or stock level for a specific
product that triggers the reordering of more inventory when it is reached by considering the lead time it
will take to replenish inventory to ensure inventory levels do not reach zero. By setting accurate reorder
points, organisations can avoid having products out of stock while waiting for new inventory.
Globelink Cargo stocks a crucial part that has a normally distributed demand pattern during the reorder
point. Past demand shows that the average demand during lead time (u) for the part is 550 units, and
the standard deviation of demand during lead time (ALT) is 40 units. The supply chain manager wants
to determine the safety stock and statistical reorder point that result in 5% stockouts or a service level
of 95%. Alternatively, the manager wants to know the additional safety stock required to attain a 99%
service level.
Transcribed Image Text:The Statistical Reorder Point (ROP) The reorder point (ROP) is commonly known as the minimum inventory or stock level for a specific product that triggers the reordering of more inventory when it is reached by considering the lead time it will take to replenish inventory to ensure inventory levels do not reach zero. By setting accurate reorder points, organisations can avoid having products out of stock while waiting for new inventory. Globelink Cargo stocks a crucial part that has a normally distributed demand pattern during the reorder point. Past demand shows that the average demand during lead time (u) for the part is 550 units, and the standard deviation of demand during lead time (ALT) is 40 units. The supply chain manager wants to determine the safety stock and statistical reorder point that result in 5% stockouts or a service level of 95%. Alternatively, the manager wants to know the additional safety stock required to attain a 99% service level.
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