Scenario 9.13 Demand = 100,000 Units/year

Scenario 9.13
Demand = 100,000 units/year
Number of days per year = 250 weeks
Standard deviation of weekly demand = 50 units
Average lead time = 5 days
Standard deviation of lead time: 2 days
Cycle-service level = 99%
A continuous review system is used to control inventory.
A normal distribution table is appended to this exam.
-Use the information in Scenario 9.13.What is the standard deviation of demand during lead time?

A) greater than 0 but less than or equal to 500 units
B) greater than 500 units but less than or equal to 1,500 units
C) greater than 1,500 units but less than or equal to 2,500 units
D) greater than 2,500 units