1. ______ related to capacity are incurred in order to maintain existing facility capacity or add additional capacity to provide the required service.
Answer
Correct Answer:
Costs
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2. A probability distribution that describes the time between events in a process in which events occur continuously and independently at a constant average rate is known as
Answer
Correct Answer:
Negative exponential distribution
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3. Queue size can be either ______ or finite.
Answer
Correct Answer:
Infinite
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4. The study and analysis of waiting lines or queues is part of a branch of mathematics known as ______.
Answer
Correct Answer:
Queuing theory
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5. Little’s law is a common queuing theory that assumes what in a system?
Answer
Correct Answer:
A steady state
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6. A ______ represents a certain number of customers waiting for service at a facility.
Answer
Correct Answer:
Queue
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7. In waiting line problems, the ______ is typically described by a discrete probability distribution known as the Poisson distribution.
Answer
Correct Answer:
Arrival rate
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8. Interarrival time is a ______.
Answer
Correct Answer:
Continuous random variable
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9. ______ is a part of an operations manager’s toolbox in making business decisions about resources needed to provide a service, and it has many applications.
Answer
Correct Answer:
Queuing theory
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10. ______ is the number of customers served per unit of time.
Answer
Correct Answer:
Arrival rate
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11. In waiting line models, the variable interarrival time is assumed to follow a probability distribution known as the ______.
Answer
Correct Answer:
Negative exponential distribution
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12. The primary objective of managing waiting lines is to minimize their ______ throughout any service or manufacturing facility.
Answer
Correct Answer:
Total costs
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13. In manufacturing facilities, waiting lines of work-in-process inventory begin to form at ______ workstations or when machines break down.
Answer
Correct Answer:
Bottleneck
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14. ______ refers to the order in which customers waiting in line receive service at the facility.
Answer
Correct Answer:
Queue discipline
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15. Theoretically represents systems that potentially have a large number of possible customers IS known as
Answer
Correct Answer:
Unlimited (infinite) population
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16. A continuous random variable that is also assumed to follow a probability distribution known as
Answer
Correct Answer:
Negative exponential distribution
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17. Which of the correct statement about Service rate
Answer
Correct Answer:
The number of customers served per unit of time
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18. A part of an operations manager’s toolbox in making business decisions about resources needed to provide a service, and it has many applications is known as
Answer
Correct Answer:
Queueing theory
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19. ______is the order in which customers waiting in line receive service at the facility
Answer
Correct Answer:
Queue discipline
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20. Queue is a certain number of customers waiting for service at a facility
Answer
Correct Answer:
True
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21. the mathematical expression expected or average arrival rate(in Poisson distribution)
Answer
Correct Answer:
λ
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22. ______ is a simple and commonly used theorem in queueing theory. It makes very few assumptions except that the system is at a steady state
Answer
Correct Answer:
None of these
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23. ______ is a simple and commonly used theorem in queueing theory. It makes very few assumptions except that the system is at a steady state
Answer
Correct Answer:
Little’s law
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24. When the number of observation can be counted and is definite, it is known as finite population
Answer
Correct Answer:
True
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25. Discrete random variable IS a variable whose outcomes take on numerical values that can be counted
Answer
Correct Answer:
True
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26. A variable whose numerical outcomes can be measured is known as
Answer
Correct Answer:
Continuous random variable
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