Exam 12: Waiting Lines and Queuing Theory Models

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A post office has a single line for customers waiting for the next available postal clerk.There are two postal clerks who work at the same rate.The arrival rate of customers follows a Poisson distribution,while the service time follows an exponential distribution.The average arrival rate is three per minute and the average service rate is two per minute for each of the two clerks.What proportion of time are both clerks idle?

(Multiple Choice)

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Question 141

A single automatic car wash with one bay and a cycle time of 2.5 minutes is what type of model?

(Multiple Choice)

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Question 142

A post office has a single line for customers waiting for the next available postal clerk.There are two postal clerks who work at the same rate.The arrival rate of customers follows a Poisson distribution,while the service time follows an exponential distribution.The average arrival rate is three per minute and the average service rate is two per minute for each of the two clerks.What is the average length of the line?

(Multiple Choice)

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Question 143

A post office has a single line for customers waiting for the next available postal clerk.There are two postal clerks who work at the same rate.The arrival rate of customers follows a Poisson distribution,while the service time follows an normal distribution.What type of queuing model applies here?

(Multiple Choice)

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Question 144

Little's Flow Equations are transferable to a production environment.Which of the following would be a proper interpretation of Little's Flow Equations?

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Question 145

Showing 141 - 145 of 145

A single automatic car wash with one bay and a cycle time of 2.5 minutes is what type of model?

A post office has a single line for customers waiting for the next available postal clerk.There are two postal clerks who work at the same rate.The arrival rate of customers follows a Poisson distribution,while the service time follows an normal distribution.What type of queuing model applies here?

Little's Flow Equations are transferable to a production environment.Which of the following would be a proper interpretation of Little's Flow Equations?

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