MKTG 372 Chapter 10 Test
While spreadsheets can be somewhat useful for a variety of simulation problems, they can be confusing and are vulnerable to several drawbacks, including weak routines for random-number selection.
False
in a practical sense, a finite population is one that potential would form a very long line in relation to the capacity of the serving system
False
Which of the following is not an example of general-purpose simulation software
Gape/h
Which of the following is not a queue discipline discussed in the textbook?
Last in, first out
Which of the following is an example of general-purpose simulation software?
SimScropt 11.5
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, multiphase
In getting your first driver's license, several steps had to be taken. First, you took the written test. Then you took the driving test. Then your photograph was taken and the license made. What was the queuing system line structure in the Department of Motor Vehicles?
Single channel, multiphase
A roller coaster ride in an amusement park employs which type of queuing line structure
Single channel, single phase
Getting a flu shot from the one campus nurse who is on duty might involve standing in which type of queuing line structure
Single channel, single phase
Getting an autograph from a famous person might involve standing in which type of queuing line structure?
Single channel, single phase
Which of the following are the three major components of a queuing system?
The source population, how the customer exits the system and the servicing system
Which of the following is a suggestion for managing quest presented in the textbook? (Not segment)
Train your servers to be friendly
A car wash is an example of a sing-channel, multiphase queuing system
True
A variable arrival rate is more common in waiting line management than a constant arrival rate
True
An infinite population in waiting line management refers to a population that is large enough in relation to the service system so that the change in population size caused by subtractions or additions to the population does not significantly affect the system probabilities
True
Being able to permit interactive debugging of a model so the user can trace flows through the model and more easily find errors is considered a desirable feature of simulation software systems.
True
Being user-friendly and easy to understand is a desirable feature of simulation software systems
True
General-purpose simulation software (GPSS) is really a computer language that allows programmers to build their own simulation models
True
Highest-profit customer first is a queue discipline discussed in the textbook
True
Buying a ticket for a college football game where there are multiple windows at which to buy the ticket feature which type of queuing system line structure
Multichannel, single phase
Which of the following queue disciplines is discussed in the textbook?
Emergencies first
When arrivals occur in purely random fashion at a service facility, what kind of distribution does a plot of inter arrival times yield?
Exponential
For an infinite queuing situation, if the arrival rate for loading trucks is 5 trucks per hour, what is the mean time between arrivals?
.2 hours
Assume the service rate for a queue in a truck-loading operation is 2 trucks per hour. Using the infinite queuing notion for the models presented in the textbook, which of the following is the average service time?
.5 hour
In modeling a simulation, random numbers from 00 to 99 are assigned with the intervals determined from frequency distributions for each behavior occurrence. Assume there are two behaviors, X and Y, out of 50 tallies. On behavior X you record 20 tallies, and on behavior Y you record 30 tallies. Which of the following is a correct random-number interval for behavior X?
00 to 39
In modeling a simulation, random numbers from 00 to 99 are assigned with the intervals determined from frequency distributions for each behavior occurrence. Assume there are two behaviors, A and B, out of 100 tallies. On behavior A you record 45 tallies, and on behavior B you record 55 tallies. Which of the following is a correct random-number interval for behavior A?
00 to 44
A small vendor has either a good day of sales with an average of $1,000 or a bad day with an average of only $500 for the day. To simulate these outcomes, random numbers from 00 to 99 should be assigned with the intervals determined from the frequency distribution. If, during the last 100 days, the vendor had 27 good days and 73 bad days, which of the following is a correct random-number interval for a bad day?
27 to 99
In infinite queuing theory, the average number in the waiting line divided by the average arrival rate yields what measure of waiting line performance
Average waiting time
Which of the following is not a suggestion for managing queues presented in the textbook? (Not periodically closing)
Determine an acceptable waiting time for your customers
Buying food at a large food store with multiple checkout counters features which type of queuing system line structure
Multichannel, single phase
Buying items at a department store where there are a large number of checkout counter features which type of queuing system line structure
Multichannel, single phase
Joining a line at an airport shoeshine stand where there are five people shining shoes puts you in which type of queuing system line structure
Multichannel, single phase
Machine breakdown and repair in a 12-machine factory having three repair mechanics would develop which type of queuing system line structure concerning machine breakdowns?
Multichannel, single phase
A company is concerned about the number of customers who have to wait for service in its customer service department. assume the rate at which customers are serviced is 12 per hour. Using the infinite queuing notation for the models presented in the textbook, which of the following is the mean time between arrivals?
None of these
Which of the following is an example of general-purpose simulation software? Not SimScript
PC-MODEL
Which of the following is not a suggestion for managing queues presented in the textbook?
Periodically close the service channel to temporarily disperse the line
When arrivals occur in purely random fashion as a service facility, the distribution of the number of arrivals per unit of time forms which kind of distribution?
Poisson
In a department 25 machines are key running by three operators who respond randomly occurring equipment problems. . When an operator is not immediately available for servicing a machine having a problem, the amount of production being lost by machines waiting for service increases. An analyst can use queuing theory analysis to determine whether to pay overtime to get an operator from a different shift or not.
True
In a department, 25 machines are kept running by three operators who respond to randomly occurring equipment problems. An analyst wanted to know how much production being lost by machines waiting for service could use queuing theory analysis to find out.
True
In a department, 25 machines are kept running by three operators who respond to randomly occurring equipment problems. An analyst wanting to know whether to add a fourth operator or downsize to two operators would be helped by using queuing theory analysis.
True
In a waiting line situation, multiple lines only occur when there are multiple servers
True
Longest waiting time in line is a queue discipline discussed in the textbook
True
Regardless of the computer language chosen for a simulation model, too much data from a simulation can be dysfunctional to problem solving
True
Special-purpose simulation software is special built to run specific applications and may have provisions in manufacturing models to allow for specifying number of work centers, their descriptions, arrival rates, and even batch sizes
True
The Poisson probability distribution is used in waiting line management when one is interested in the number of arrivals to a sue during some fixed time period
True
The central problem in virtually every waiting line situation is a decision balancing the cost of adding services with cost of waiting
True
The demand on a hospitals emergency medical services is considered an uncontrollable arrival pattern of the calling population
True
A constant arrival rate is more common in productive systems than a variable arrival rate
False
A customer arrivals in a queuing system come almost exclusively from infinite populatios
False
A customer arrivals in the queuing system come almost exclusively from finite populations
False
A finite population in waiting line management refers to a population that is large enough relation to the service system so that the change in population size caused by subtractions or additions to the population does not significantly affect the system probabilities
False
A tellers window in a bank is an example of single-channel, multiphase queuing system
False
Arrival characteristics in a queuing problem analysis include the length of the queue.
False
Being use-friendly and easy to understand typically means that the simulation produces less accurate results
False
Best customer last is a queue discipline discussed in the textbook
False
Gas stations, loading docks and parking lots have infinite potential long of lines for the respective queuing systems
False
Having animation capabilities to graphically display product flows through a production system is not considered a desirable feature of simulation software systems.
False
In a practical sense, an infinite queue is one that includes every possible member of the served population
False
Spreadsheet simulations have become obsolete due in part to specialized computer simulation languages like SLAM or SIMAN.
False
The admission system in a hospital for patients is an example of a single-channel, single-phase queuing system
False
The demand on a hospital's emergency medical services is considered a controllable arrival pattern of the calling population
False
The leading general- and special-purpose simulation models follow a well-documented and standardized approach
False
The more time, money, and effort you spend developing a simulation model, the more likely you are to achieve useful results.
False
The term "queue disciple" involves the art of controlling surly and unruly customers who have become irritated by waiting
False
Standing in line to buy a ticket for a movie where there are multiple windows at which to buy tickets is which type of queuing line structure
Multichannel, single phase
Which of the following is a suggestion for managing queues that is mentioned in the textbook
Segment the customers
Machine breakdown and repair in a 12-machine factory having one repair mechanic would develop which type of queuing system line structure concerning machine breakdowns?
Single channel, single phase
Which of the following is an example of a finite population in a queuing system?
The department faculty in line at the copier
In essence, a queuing system includes several major components, Which of the following is not one of them?
The queue discipline
Idealy in waiting line or queuing analysis, we want to balance the cost of service capacity with the cost of waiting
True
There a different queuing models to fit different queuing situations
True
In finite queuing theory, the average waiting time in line is denoted by what symbol?
W
