2) A lab orders a number of chemicals from the same supplier every 10 days. The lead time is six days. The assistant manager of the lab must determine how much of one of these chemicals to order. Check of stock reviewed that 5 jars of 30-milliliter (ml) are on hand. Daily usage of the chemical is appropriately normal with a mean of 11.5 ml per day and a standard deviation of 2.8 ml. The desired service level for this chemical is 95%. a) How many jars of the chemical should he ordered? b) What is the average amount of safety stock of the chemical?

Practical Management Science
6th Edition
ISBN:9781337406659
Author:WINSTON, Wayne L.
Publisher:WINSTON, Wayne L.
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2) A lab orders a number of chemicals from the same supplier every 10 days. The lead
time is six days. The assistant manager of the lab must determine how much of one of
these chemicals to order. Check of stock reviewed that 5 jars of 30-milliliter (ml) are on
hand. Daily usage of the chemical is appropriately normal with a mean of 11.5 ml per day
and a standard deviation of 2.8 ml. The desired service level for this chemical is 95%.
a) How many jars of the chemical should he ordered?
b) What is the average amount of safety stock of the chemical?
Transcribed Image Text:2) A lab orders a number of chemicals from the same supplier every 10 days. The lead time is six days. The assistant manager of the lab must determine how much of one of these chemicals to order. Check of stock reviewed that 5 jars of 30-milliliter (ml) are on hand. Daily usage of the chemical is appropriately normal with a mean of 11.5 ml per day and a standard deviation of 2.8 ml. The desired service level for this chemical is 95%. a) How many jars of the chemical should he ordered? b) What is the average amount of safety stock of the chemical?
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