Assume That We Are Using a Waiting Line Model to Analyze

Multiple Choice

Assume that we are using a waiting line model to analyze the number of service technicians required to maintain machines in a factory.Our goal should be to

A) minimize the number of machines needing repair.
B) minimize the downtime for individual machines.
C) minimize the percent of idle time of the technicians.
D) minimize the total cost (cost of maintenance plus cost of downtime) .