OPSM 330 FINAL EXAM QUESTIONS AND ANSWERS
Which of the following is NOT a character of service?
a. Intangible
b. Variable Output
c. Difficult to emulate
d. Perishable - CORRECT ANSWER✅✅Difficult to emulate
Which of the following is NOT a basic element of a waiting line?
a. arrivals
b. servers
c. cost of waiting
d. waiting line structure - CORRECT ANSWER✅✅cost of waiting
The number of channels in a queuing process: - CORRECT ANSWER✅✅denotes the number of parallel
servers for servicing arriving customers.
If the average time to serve a customer is 3 minutes, then the service rate, u, is: - CORRECT
ANSWER✅✅20 per hour
Consider an espresso stand with a single barista. Customers arrive at the stand at the rate of 28 per hour
according to a Poisson distribution. Service times are exponentially distributed with a service rate of 35
customers per hour.
The probability that the server is busy is: - CORRECT ANSWER✅✅0.80
Consider an espresso stand with a single barista. Customers arrive at the stand at the rate of 28 per hour
according to a Poisson distribution. Service times are exponentially distributed with a service rate of 35
customers per hour.
The probability that there are exactly 3 customers in the system is: - CORRECT ANSWER✅✅0.1024
, Consider an espresso stand with a single barista. Customers arrive at the stand at the rate of 28 per hour
according to a Poisson distribution. Service times are exponentially distributed with a service rate of 35
customers per hour.
The average number of customers waiting in line for service is: - CORRECT ANSWER✅✅3.2
Consider an espresso stand with a single barista. Customers arrive at the stand at the rate of 28 per hour
according to a Poisson distribution. Service times are exponentially distributed with a service rate of 35
customers per hour.
The average number of customers in the system (i.e., waiting and being served) is: - CORRECT
ANSWER✅✅4
Consider an espresso stand with a single barista. Customers arrive at the stand at the rate of 28 per hour
according to a Poisson distribution. Service times are exponentially distributed with a service rate of 35
customers per hour.
The average time in MINUTES a customer spends waiting in line for service is: - CORRECT
ANSWER✅✅6.84 minutes
Consider an espresso stand with a single barista. Customers arrive at the stand at the rate of 28 per hour
according to a Poisson distribution. Service times are exponentially distributed with a service rate of 35
customers per hour.
The average time in minutes a customer spends in the system (i.e., waiting and being served) is: -
CORRECT ANSWER✅✅8.58 minutes
_______________ specifies when labor, equipment, and facilities are needed to produce a good or to
provide a service. - CORRECT ANSWER✅✅Scheduling
The process of assigning work to limited resources is known as _______. - CORRECT
ANSWER✅✅loading
Which of the following is NOT a character of service?
a. Intangible
b. Variable Output
c. Difficult to emulate
d. Perishable - CORRECT ANSWER✅✅Difficult to emulate
Which of the following is NOT a basic element of a waiting line?
a. arrivals
b. servers
c. cost of waiting
d. waiting line structure - CORRECT ANSWER✅✅cost of waiting
The number of channels in a queuing process: - CORRECT ANSWER✅✅denotes the number of parallel
servers for servicing arriving customers.
If the average time to serve a customer is 3 minutes, then the service rate, u, is: - CORRECT
ANSWER✅✅20 per hour
Consider an espresso stand with a single barista. Customers arrive at the stand at the rate of 28 per hour
according to a Poisson distribution. Service times are exponentially distributed with a service rate of 35
customers per hour.
The probability that the server is busy is: - CORRECT ANSWER✅✅0.80
Consider an espresso stand with a single barista. Customers arrive at the stand at the rate of 28 per hour
according to a Poisson distribution. Service times are exponentially distributed with a service rate of 35
customers per hour.
The probability that there are exactly 3 customers in the system is: - CORRECT ANSWER✅✅0.1024
, Consider an espresso stand with a single barista. Customers arrive at the stand at the rate of 28 per hour
according to a Poisson distribution. Service times are exponentially distributed with a service rate of 35
customers per hour.
The average number of customers waiting in line for service is: - CORRECT ANSWER✅✅3.2
Consider an espresso stand with a single barista. Customers arrive at the stand at the rate of 28 per hour
according to a Poisson distribution. Service times are exponentially distributed with a service rate of 35
customers per hour.
The average number of customers in the system (i.e., waiting and being served) is: - CORRECT
ANSWER✅✅4
Consider an espresso stand with a single barista. Customers arrive at the stand at the rate of 28 per hour
according to a Poisson distribution. Service times are exponentially distributed with a service rate of 35
customers per hour.
The average time in MINUTES a customer spends waiting in line for service is: - CORRECT
ANSWER✅✅6.84 minutes
Consider an espresso stand with a single barista. Customers arrive at the stand at the rate of 28 per hour
according to a Poisson distribution. Service times are exponentially distributed with a service rate of 35
customers per hour.
The average time in minutes a customer spends in the system (i.e., waiting and being served) is: -
CORRECT ANSWER✅✅8.58 minutes
_______________ specifies when labor, equipment, and facilities are needed to produce a good or to
provide a service. - CORRECT ANSWER✅✅Scheduling
The process of assigning work to limited resources is known as _______. - CORRECT
ANSWER✅✅loading
