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Question:
(a) (i) What do you understand by the term ‘queueing theory'? Give two real life examples to illustrate your answer.
(ii) Outline the five components involved in the classification of any queueing model.
(b) Discuss briefly each of the following customer's behavior with regard to queueing theory: balking, reneging and jockeying.
(c) A bank has tellers working on savings accounts. The first teller handles withdrawals while the second teller handles deposits only. The service time distributions for both deposits and withdrawals are exponentially distributed with mean service time 4 minutes per customer. Depositors are found to arrive in a Poisson fashion with mean arrival rate of 12 per hour. Withdrawers also arrive in a Poisson fashion with mean arrival rate of 9 per hour.
What could be the effect on the average waiting time for depositors and withdrawers if each teller handles both deposits and withdrawals?
Telephone calls arrive at a switchboard in a Poisson process at the rate of 2 per minute. A random one-tenth of the calls are long distance. (a) What is the probability of at least
A certain type of machine breaks down at an average rate of 5/hour. the break down is in accordance with Poisson process.cost of idle machine hour is $15/hour. 2 repairmen Peter an
significance and scope of operation resarch in morden management?
variuos types with example
A paper mill produces two grades of paper viz., X & Y. Because of raw material restrictions, it cannot produce more 400 tons of grade X paper & 300 tons of grade Y paper in a week.
A farmer in the Midwest has 1,000 acres of land on which she intends to plant corn, wheat, and soybeans. Each acre of corn costs $100 for preparation, requires 7 worker-days of la
Question 1 Explain the process of problem identification with an example 2 Interview method involves a dialogue among the Interviewee and the Interviewer. Describe the inter
operation research scope
.A paper mill produces two grades of paper viz., X and Y. Because of raw material restrictions, it cannot produce more than 400 tons of grade X paper and 300 tons of grade Y paper
Research and Development: All intellectual activities consciously pursued and systematically completed generate useful information. Research (also Research and Development) is
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