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ISDS 3115 FINAL EXAM 1&2 2026-2027 COMPLETE
300 QUESTIONS AND VERIFIED SOLUTIONS LATEST
UPDATE THIS YEAR
ISDS 3115 FINAL EXAM 2
QUESTION: In queuing problems, which of the following probability distributions is typically
used to describe the time to perform the service?
A) binomial
B) normal
C) Poisson
D) negative exponential
E) lognormal - ANSWER-D) negative exponential
QUESTION: The common measures of a queuing system's performance include:
A) probability that the service facility will be idle, average queue length, and probability that the
waiting time will exceed a specified duration.
B) average time each customer spends in the system, probability that the service system will be
idle, and average time each customer spends in the queue.
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C) average queue length, maximum time a customer may spend in the queue, and the
utilization factor for the system.
D) average time each customer spends in the system, maximum queue length, and probability
of a specific number of customers in the system.
E) maximum queue length, maximum time a customer may spend in the queue, and average
queue length. - ANSWER-B) average time each customer spends in the system, probability that
the service system will be idle, and average time each customer spends in the queue.
QUESTION: The shopper who says to himself, "I've waited too long in this line. I don't really
need to buy this product today," and leaves the store is an illustration of which element of
arrival behavior?
A) random arrival
B) renege
C) random departure
D) balk
E) frustration - ANSWER-B) renege
QUESTION: A waiting line, or queuing, system has three parts, which are:
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A) distribution of arrival times, discipline while waiting, and distribution of service times.
B) arrival rate, service rate, and utilization rate.
C) arrival discipline, queue discipline, and service sequencing.
D) arrivals or inputs, queue discipline or the waiting line itself, and the service facility.
E) sequencing policy, penalty for reneging, and expediting of arrivals - ANSWER-D) arrivals or
inputs, queue discipline or the waiting line itself, and the service facility.
Q;Study of waiting-line models helps operations managers better understand:
A) service systems such as bank teller stations.
B) maintenance activities that might repair broken machinery.
C) shop-floor control activities.
D) service systems such as amusement park rides.
E) all of the above - ANSWER-E) all of the above
QUESTION: Which of the following is NOT a common queuing situation?
A) grocery shoppers being served by checkout clerks
B) commuters slowing or stopping at toll plazas to pay highway tolls
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C) machinery waiting to be repaired or maintained
D) parcel delivery truck following its computer-generated route
E) patients in a health clinic waiting to see one of several doctors - ANSWER-D) parcel delivery
truck following its computer-generated route
QUESTION: In queuing problems, which of the following probability distributions is typically
used to describe the number of arrivals per unit of time?
A) binomial
B) normal
C) Poisson
D) exponential
E) lognormal - ANSWER-C) Poisson
QUESTION: The source population is considered to be either ________ in its size.
A) finite or infinite
ISDS 3115 FINAL EXAM 1&2 2026-2027 COMPLETE
300 QUESTIONS AND VERIFIED SOLUTIONS LATEST
UPDATE THIS YEAR
ISDS 3115 FINAL EXAM 2
QUESTION: In queuing problems, which of the following probability distributions is typically
used to describe the time to perform the service?
A) binomial
B) normal
C) Poisson
D) negative exponential
E) lognormal - ANSWER-D) negative exponential
QUESTION: The common measures of a queuing system's performance include:
A) probability that the service facility will be idle, average queue length, and probability that the
waiting time will exceed a specified duration.
B) average time each customer spends in the system, probability that the service system will be
idle, and average time each customer spends in the queue.
,Page 2 of 161
C) average queue length, maximum time a customer may spend in the queue, and the
utilization factor for the system.
D) average time each customer spends in the system, maximum queue length, and probability
of a specific number of customers in the system.
E) maximum queue length, maximum time a customer may spend in the queue, and average
queue length. - ANSWER-B) average time each customer spends in the system, probability that
the service system will be idle, and average time each customer spends in the queue.
QUESTION: The shopper who says to himself, "I've waited too long in this line. I don't really
need to buy this product today," and leaves the store is an illustration of which element of
arrival behavior?
A) random arrival
B) renege
C) random departure
D) balk
E) frustration - ANSWER-B) renege
QUESTION: A waiting line, or queuing, system has three parts, which are:
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A) distribution of arrival times, discipline while waiting, and distribution of service times.
B) arrival rate, service rate, and utilization rate.
C) arrival discipline, queue discipline, and service sequencing.
D) arrivals or inputs, queue discipline or the waiting line itself, and the service facility.
E) sequencing policy, penalty for reneging, and expediting of arrivals - ANSWER-D) arrivals or
inputs, queue discipline or the waiting line itself, and the service facility.
Q;Study of waiting-line models helps operations managers better understand:
A) service systems such as bank teller stations.
B) maintenance activities that might repair broken machinery.
C) shop-floor control activities.
D) service systems such as amusement park rides.
E) all of the above - ANSWER-E) all of the above
QUESTION: Which of the following is NOT a common queuing situation?
A) grocery shoppers being served by checkout clerks
B) commuters slowing or stopping at toll plazas to pay highway tolls
, Page 4 of 161
C) machinery waiting to be repaired or maintained
D) parcel delivery truck following its computer-generated route
E) patients in a health clinic waiting to see one of several doctors - ANSWER-D) parcel delivery
truck following its computer-generated route
QUESTION: In queuing problems, which of the following probability distributions is typically
used to describe the number of arrivals per unit of time?
A) binomial
B) normal
C) Poisson
D) exponential
E) lognormal - ANSWER-C) Poisson
QUESTION: The source population is considered to be either ________ in its size.
A) finite or infinite
