Question

# Use QM for Windows to solve the following problems. Click on the Waiting Lines menu options,...

Use QM for Windows to solve the following problems. Click on the Waiting Lines menu options, and make sure to select the correct model (i.e. finite system size, finite population, etc, etc)

A telephone system at a help desk has the capacity to put a maximum 5 callers on hold. Assume calls come on average every 6 minutes, and it takes on average 5 minutes to assist the customer.

1. What is the average wait time in minutes that a customer will be on hold?
2. How many customers on average are in the system?

A consultant has 11 clients. The consultant gets on average 2 calls in an 8 hour day, and on average the consultant takes 2.5 hours to complete a call.

1. What percent of the time is the consultant busy?
2. What is the average time in minutes to complete service from the time the client calls until the call is completed?

A bank has 2 drive up windows. On average, customers arrive at a rate of 20 per hour, and it takes on average 4 minutes to serve the customer.

1. What is the average wait time in minutes until the customer gets to the drive up window?