Exam 13: Capacity Planning and Queuing Models

The symbol ρ is used to denote which one of the following parameters:

The average time a customer should expect to wait can be calculated using just the mean arrival rate and the mean service rate.

In analytical terms, the modern self-serve supermarket would be approximated best by the M/M/C model, where C is the number of servers.

A system is said to be in statistical equilibrium when the number in queue assumes a distribution that is independent of the starting condition.

A parking lot is a special variation of the _________ queuing model.

A system is said to be in a transient state when the values of its governing parameters in this state are expected to change uncontrollably with time.

For a standard service system to operate over the long run, the servers must be idle part of the time.

All but one of the following need to be analyzed for capacity requirements when setting up a "Cookies and Ice Cream" shop:

Capacity usually is measured in terms of outputs (e.g. guest nights) rather than inputs (e.g. number of hotel rooms) in service firms.

The cost of service capacity is determined by

In general, for infinite queues, the expected number of people in the system is equal to:

In the equation L_S = L_Q + ρ, ρ refers to:

For the system to operate satisfactorily over the long run,

Reducing the variability either in service time or arrival time can reduce most of the waiting involved for the consumers.

Which of the following is not true of pseudo-random numbers?

A queuing system is described by all but one of the following:

A shortcoming of simulation is the use of pseudo-random numbers.

All but one of the following are advantages of using one large computer system to serve an entire university community:

Which of the following is not a criterion for capacity planning?

Little's Law states that a relationship exists between