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Waiting Line Models MCQ

______ 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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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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Queue size can be either ______ or finite.

Answer

Correct Answer: Infinite

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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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Little’s law is a common queuing theory that assumes what in a system?

Answer

Correct Answer: A steady state

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A ______ represents a certain number of customers waiting for service at a facility.

Answer

Correct Answer: Queue

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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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Interarrival time is a ______.

Answer

Correct Answer: Continuous random variable

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______ 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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______ is the number of customers served per unit of time.

Answer

Correct Answer: Arrival rate

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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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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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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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______ refers to the order in which customers waiting in line receive service at the facility.

Answer

Correct Answer: Queue discipline

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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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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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Which of the correct statement about Service rate

Answer

Correct Answer: The number of customers served per unit of time

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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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______is the order in which customers waiting in line receive service at the facility

Answer

Correct Answer: Queue discipline

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Queue is a certain number of customers waiting for service at a facility

Answer

Correct Answer: True

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the mathematical expression expected or average arrival rate(in Poisson distribution)

Answer

Correct Answer: λ

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______ 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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______ 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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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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Discrete random variable IS a variable whose outcomes take on numerical values that can be counted

Answer

Correct Answer: True

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A variable whose numerical outcomes can be measured is known as

Answer

Correct Answer: Continuous random variable

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