In Queuing Models,we Make Several Assumptions About the Arrival Pattern

Multiple Choice

In queuing models,we make several assumptions about the arrival pattern of customers.Which of the following is NOT one of those assumptions?

A) Customers will patiently wait in line for their turn to receive service.
B) Customers will switch lines to whichever line is moving fastest.
C) Customers will not leave the waiting line.
D) Customers will not refuse to join the line (balk) .