OPSM 330 FINAL EXAM | QUESTIONS AND ANSWERS
| 100% CORRECT
Which of the following is NOT a character of service?
a. Intangible
b. Variable Output
c. Difficult to emulate
d. Perishable 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 Answer - cost of waiting
The number of channels in a queuing process: 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:
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: 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: 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: 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: 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.
| 100% CORRECT
Which of the following is NOT a character of service?
a. Intangible
b. Variable Output
c. Difficult to emulate
d. Perishable 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 Answer - cost of waiting
The number of channels in a queuing process: 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:
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: 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: 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: 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: 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.
