Question

In queuing theory, the ratio of the mean arrival rate and the mean service rate is called the-

• A. Work factor
• B. Slack constant
• C. Productivity rate
• D. Utilization factor

Answer 1

Answer:

D. Utilization factor

Queuing theory's ratio of mean arrival rate to mean service rate is known as utilization factor. It shows the percentage of time the server is busy and the probability of a new customer having to wait. Arrival rate is represented by λ (follows Poisson distribution) and service rate by µ (follows exponential distribution). If λ > μ, the queue length will keep increasing, and after a certain time, incoming population will not get service.