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Most queuing models assume what type of service discipline? - FIFO
When the assumptions of the M/M/1, M/M/S, M/D/1, and limited-population
queuing models do not hold true, there are no other approaches available to us.
True or False? - False
As the level of service increases, the cost of providing service - Increases
Most bank teller services are operated with what kind of system? -
Multiple-server, single-phase
What are the two most important cost considerations in queuing problems? -
cost of providing service and cost of waiting time
Which distribution most frequently describes the arrival rate in queuing theory? -
Poisson
The body of knowledge about waiting lines is called - Queuing theory
What is another name for a waiting line? - Queue
,Which of the following is NOT one of the techniques that Disney uses to try to
keep visitors happy while waiting in line?
A. Entertains people while they wait
B. Posts signs telling visitors how many minutes until they reach each ride
C. Makes lines appear to be constantly moving forward
D. Serves drinks - Serves drinks
Customers who ________ refuse to join the waiting line because it is too long to
suit their needs or interests. - Balk
Which distribution most frequently describes the service time in queuing theory?
- Negative exponential
As the level of service increases, the cost of waiting time - Decreases
Which of the following is NOT a type of "waiting cost?"
A. A customer not returning because the line was too long
B. Adding an additional server
C. Idle employees awaiting machine repairs
D. A customer leaving a line because it was too long - Adding an additional
server
One use of inventory is - to provide a hedge against inflation.
, What is the cost to prepare a machine or process for production? - Setup
cost
What is a system for ordering items that have little or no value at the end of a
sales period? - Single-period inventory model
For seasonal products, the service level should be set to equal - shortage
cost / (overage cost + shortage cost).
A statistical model applicable when product demand or any other variable is not
known but can be specified by means of a probability distribution is referred as -
A probabilistic model
Which of the following does NOT belong to ordering costs?
A. Order processing
B. Cost of supplies
C. Clerical support
D. Interest payments - Interest payments
A system that triggers ordering on a uniform time basis is called - A fixed-
period system
ABC analysis divides an organization's on-hand inventory into three classes based
upon - Annual dollar volume
Which of the following is NOT a type of inventory?