1
OPM exam 3 Questions with Answers (100% Correct
Answers)
________ and ________ are ways to reduce a queue by adjusting demand.
Peak-load discount, off-peak discount
Peak-load pricing, off-peak pricing
Peak-load discount, off-peak pricing
Peak-load pricing, off-peak discount
Ans✅ ✅: Peak-load pricing, off-peak discount
15. Peak-load pricing means to ________ during __________ times.
A. charge more, peak
B. charge extra, off-peak
C. apply a discount, peak
D. apply a penalty, off-peak
Ans✅ ✅: charge more, peak
1. A queue of customers will form if the demand rate is greater than the process
capacity and
customers are willing to wait.
Ans✅ ✅: true
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,2
11. Which of the following statements about queues is TRUE when demand exceeds
supply?
A. The higher the implied utilization, the less customers need to wait to be served.
B. The higher the implied utilization, the more customers need to wait to be served.
C. The greater the implied utilization, the greater supply exceeds demand.
D. There is no relationship between implied utilization and a customer's waiting
time.
Ans✅ ✅: The higher the implied utilization, the more customers need to wait to be
served.
What is the key assumption for the single-server queue model?
The average interarrival time is greater than the average process time.
The flow rate is greater than the capacity.
The capacity of the server is less than the demand rate.
The average interarrival time is less than the average process time.
Ans✅ ✅: The average interarrival time is greater than the average process time.
A coefficient of variation for a service process is less than one if:
A. the service rate is uncertain.
B. the service rate is dependent on each customer.
C. the service rate is somewhat consistent.
D. the service rate has high variability.
Ans✅ ✅: C. the service rate is somewhat consistent.
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, 3
Which of the following is a reason why queues will form even if capacity exceeds
demand?
There is no variability in the arrival of customers.
Customers do not arrive in a consistent pattern.
Customers arrive in a consistent pattern.
There is no variability in average capacity.
Ans✅ ✅: Customers do not arrive in a consistent pattern.
Which of the following statements is FALSE regarding the waiting time in a single-
server queue model?
When variability in the arrival or service process increases, the average waiting time
increases.
When the processing time decreases, the average waiting time decreases.
When utilization increases, the average waiting time decreases.
When capacity decreases, the average waiting time increases.
Ans✅ ✅: When utilization increases, the average waiting time decreases.
The assumptions of the stable multiple-server queue model include the following
EXCEPT:
A. the capacity of the system is less than the flow rate.
B. the customers will wait for their turn to complete the service.
C. each customer is served by one agent.
D. the capacity of the system is greater than demand.
© 2025 All rights reserved
OPM exam 3 Questions with Answers (100% Correct
Answers)
________ and ________ are ways to reduce a queue by adjusting demand.
Peak-load discount, off-peak discount
Peak-load pricing, off-peak pricing
Peak-load discount, off-peak pricing
Peak-load pricing, off-peak discount
Ans✅ ✅: Peak-load pricing, off-peak discount
15. Peak-load pricing means to ________ during __________ times.
A. charge more, peak
B. charge extra, off-peak
C. apply a discount, peak
D. apply a penalty, off-peak
Ans✅ ✅: charge more, peak
1. A queue of customers will form if the demand rate is greater than the process
capacity and
customers are willing to wait.
Ans✅ ✅: true
© 2025 All rights reserved
,2
11. Which of the following statements about queues is TRUE when demand exceeds
supply?
A. The higher the implied utilization, the less customers need to wait to be served.
B. The higher the implied utilization, the more customers need to wait to be served.
C. The greater the implied utilization, the greater supply exceeds demand.
D. There is no relationship between implied utilization and a customer's waiting
time.
Ans✅ ✅: The higher the implied utilization, the more customers need to wait to be
served.
What is the key assumption for the single-server queue model?
The average interarrival time is greater than the average process time.
The flow rate is greater than the capacity.
The capacity of the server is less than the demand rate.
The average interarrival time is less than the average process time.
Ans✅ ✅: The average interarrival time is greater than the average process time.
A coefficient of variation for a service process is less than one if:
A. the service rate is uncertain.
B. the service rate is dependent on each customer.
C. the service rate is somewhat consistent.
D. the service rate has high variability.
Ans✅ ✅: C. the service rate is somewhat consistent.
© 2025 All rights reserved
, 3
Which of the following is a reason why queues will form even if capacity exceeds
demand?
There is no variability in the arrival of customers.
Customers do not arrive in a consistent pattern.
Customers arrive in a consistent pattern.
There is no variability in average capacity.
Ans✅ ✅: Customers do not arrive in a consistent pattern.
Which of the following statements is FALSE regarding the waiting time in a single-
server queue model?
When variability in the arrival or service process increases, the average waiting time
increases.
When the processing time decreases, the average waiting time decreases.
When utilization increases, the average waiting time decreases.
When capacity decreases, the average waiting time increases.
Ans✅ ✅: When utilization increases, the average waiting time decreases.
The assumptions of the stable multiple-server queue model include the following
EXCEPT:
A. the capacity of the system is less than the flow rate.
B. the customers will wait for their turn to complete the service.
C. each customer is served by one agent.
D. the capacity of the system is greater than demand.
© 2025 All rights reserved
