Answer the following questions using the information below:
Kay's Window Company has a variable demand. Historically, its demand has ranged from 20 to 40 windows per day with an average of 30. Kay Ballard works eight hours a day, five days a week. Each order is one window and each window takes 13 minutes.
-What is the average waiting time, in minutes?
A)1.6
B)4.4
C)28.2
D)56.3

Question

Quizplus · Accepted Answer

The company receives an average of 30 orders per day, which equates to 390 minutes (30 orders x 13 minutes per order) of production time needed each day. Assuming that Kay works continuously for eight hours a day, she has 480 minutes available for production each day. Therefore, the average waiting time for an order is the difference between the time needed for production and the time available for production:

480 minutes - 390 minutes = 90 minutes

Then, divide the waiting time by the average number of orders per day to find the average waiting time per order:

90 minutes / 30 orders = 3 minutes

Therefore, the average waiting time is 3 minutes.

Answer the Following Questions Using the Information Below