Which of the following is false about the Assumptions of queuing model?The waiting space available for customers in the queue is finite.Service discipline followed in FCFSThe mean arrival rate is less than the mean service rateO The elapsed time since the start of the queue is sufficiently long so that system in stable

Queuing theory is the study of waiting for lines/queues. This model helps to determine the length…

Answered: Which of the following is false about…

Practical Management Science

6th Edition

ISBN:9781337406659

Author:WINSTON, Wayne L.

Publisher:WINSTON, Wayne L.

Chapter12: Queueing Models

Section12.5: Analytic Steady-state Queueing Models

Problem 9P

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Which of the following is false about the Assumptions of queuing model? The elapsed time since the start of the queue is sufficiently long so that system in stable Service discipline followed in FCFS The mean arrival rate is less than the mean service rate The waiting space available for customers in the queue is finite.
In queuing theory and modeling, if 1/μ represents mean service time. Whatdoes μ represent? Service rateInterarrival time Arrival rate None
What effect will decreasing the variability of the service rate have on the performance of the queuing system (all else being the same)? reduce customer average waiting time in the system cannot be determined without additional information while more customers, they arrive at separate times & create a shorter queue the queue moves faster thanks to a faster arrival rate
A self-service store employs one cashier at its counter. Nine customers 'arrive on an average every 5 minutes while the cashier can serve 10 customers in 5 minutes. Assuming Poisson distribution for arrival rate and exponential distribution for service time, find 1. Average number of customers in the system. 2. Average number of customers in the queue or average queue length. 3. Average time a customer spends in the system. 4. Average time a customer waits before being served. A.1
At the SuperSpeedy drive-through the time between consecutive customerarrivals has a mean of 50 seconds and a standard deviation of 30 seconds. Thereare two servers whose service time averages 80 seconds with a standard deviationof 20 seconds. Assume that no customers leave the drive-through after entry.b. What is the average time a customer spends at the drive-through? What fractionof that is waiting in the queue?

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