Question Tag: Arrival Rate

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QTB – Nov 2014 – L1 – SA – Q8 – Queuing Models

Determines the average service time in a bank given the arrival rate and service time.

Question: The mean arrival rate (µ) in a bank is observed to be one customer in every 4 minutes, and the mean service time   is 2½ minutes per customer. The average time of service in the bank is:
A. 1.04 minutes
B. 1.67 minutes
C. 6.67 minutes
D. 6.76 minutes
E. 10.0 minutes

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QTB – May 2016 – L1 – SA – Q20 – Operations Research

Calculating traffic intensity or utilization factor in a simple queue given arrival and service rates.

In a simple queue, if the arrival rate is 5 customers in 15 minutes and the service rate is 8 customers in 12 minutes. the traffic intensity or utilization factor is

A. 0.25
B. 0.50
C. 0.55
D. 0.65
E. 1.00

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QTB – Nov 2014 – L1 – SA – Q8 – Queuing Models

Determines the average service time in a bank given the arrival rate and service time.

Question: The mean arrival rate (µ) in a bank is observed to be one customer in every 4 minutes, and the mean service time   is 2½ minutes per customer. The average time of service in the bank is:
A. 1.04 minutes
B. 1.67 minutes
C. 6.67 minutes
D. 6.76 minutes
E. 10.0 minutes

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QTB – May 2016 – L1 – SA – Q20 – Operations Research

Calculating traffic intensity or utilization factor in a simple queue given arrival and service rates.

In a simple queue, if the arrival rate is 5 customers in 15 minutes and the service rate is 8 customers in 12 minutes. the traffic intensity or utilization factor is

A. 0.25
B. 0.50
C. 0.55
D. 0.65
E. 1.00

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