Page | 1
OPM exam 3 Questions with Detailed Verified
Answers
Question: ________ 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
Question: 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
Question: 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
Question: 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.
, Page | 2
Ans✅ ✅: The higher the implied utilization, the more customers need to wait to be
served.
Question: 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.
Question: 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.
Question: 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.
Question: 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.
OPM exam 3 Questions with Detailed Verified
Answers
Question: ________ 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
Question: 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
Question: 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
Question: 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.
, Page | 2
Ans✅ ✅: The higher the implied utilization, the more customers need to wait to be
served.
Question: 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.
Question: 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.
Question: 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.
Question: 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.
