MIS 302 Exam 2 (1.)
what are the three factors of the queuing system
length of line, number of line, queuing discipline
Arrival characteristics are?
distribution, pattern, size, degree of patience
which of the following is a suggestion for managing queues that are mentioned in the textbook.
segment customers
Queuing Components
source population, service system, customer exit
a department of 25 machines is kept running by three operators who respond to randomly occurring equipment problems. An analyst who wanted to know how much production was being lost by machine waiting for service could use queuing theory to find out.
true i.e. how long are things waiting and what is it costing
in a college registration process, several department heads have to approve an individual students semester course load. what is the queuing system line structure?
Single channel, multi-phase
standing in line to buy a ticket for a movie where there is only one window to buy tickets is which type of queuing system line structure?
signal channel, single phase
assume the service rate for a queue in a truck-loading operation is 2 trucks per hour,. using the infinite queuing notion for the model presented in the text what is the average service time?
0.5 hours- 2/1hr = 0.5
if the arrival rate for loading a truck is 5 trucks per hour, what is the mean time between arrivals?
12 minutes = 60 minutes divided by 5
A company is concerned about the number of customer that have to wait for service in their customer service department. assume that rate at which customers are service is per hour. using the infinite queuing notion for the models presented in the textbook which of the following is the mean time between arrivals.
Can not be determined
Arrival characteristics in a queuing problem include the length of the queue/
FALSE
Buying a tickets a football game where there are multiple windows to buy the ticket at features which type of queuing system line structure?
Multi-channel, single phase
Buying food at a larger food store with multiple checkout counters features which type of queuing system line structure
Multi-channel, single phase
machine breakdown and repair in a twelve machine factory having repair mechanics would develop which type of queuing system line structure concerning machine breakdowns?
Multi-channel, single phase
which of the following is not a suggestion for managing queues presented int eh textbook?
Periodically close the service channel to temporarily disperse the line
Highest-profit customer first is a queue discipline
TRUE
a high degree of customer contact is harder to control.
TRUE
an infinite population in waiting line management refers to a population that is large enough in relation to service system so that the population size caused by subtraction or additions to the population does not significantly affect the system probabilities.
TRUE
ideally in waiting line or queuing analysis we want to balance the cost of service with the cost of waiting
TRUE
longest waiting in line is a queue discipline mention in the textbook
TRUE
the line a of visibility in service blueprinting distinguishes between those activities that the customer sees presence and those the customer does not see.
TRUE
