Answer the following questions using the information below:
The tool crib at a large manufacturing company is responsible for providing tools to the factory workers on demand. The tool crib has a variable demand. Historically, its demand has ranged from 300 to 500 small tools per day with an average of 400. Diane, the tool crib attendant, works eight hours a day, five days a week. Each order is for one small tool and each small tool takes Diane 1 minute to retrieve from the bins.
-What is the average waiting time, in minutes?
A)1
B)1.5
C)2.5
D)3.5

Question

Quizplus · Accepted Answer

The average demand is 400 tools per day. Since Diane works 40 hours per week, the average demand per hour is 400/40 = 10 tools per hour. Since each tool takes 1 minute to retrieve, the average waiting time is 10 minutes per hour, or 10/60 = 2.5 minutes.

Answer the Following Questions Using the Information Below