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Question:
(a) Discuss briefly the four basic components of any queueing system.
(b) Explain what you understand by the following models:
(i) (M| M | 1 : N | FCFS)
(ii) (M| M | S : ∞| SIRO)
(iii) (M| Ek | 1 : ∞ | FCFS)
(c) A supermarket has two ladies at the sales counters. Given that the service for each customer is exponential with mean 6 minutes and customers arrive in a Poisson fashion at the counter at the rate of 15 per hour, Determine
(i) the expected percentage of idle time for each lady at the sales counter.
(ii) The probability of having to wait for service.
Problems based on LPP when feasible region is unbounded. 1. Minimize z = 3x + 5y subject to constraints X + y ≥ 2 X + 3y ≥ 3 X, y ≥ 0 script
Cohen Chemicals, produces two types of photo-developing fluids. The first, a black and white picture chemical, costs Cohen $2500 per ton to produce. The second, a colour photo chem
QUESTION 1 Change strategies and OD intervention techniques follow from diagnosis. An inappropriate intervention due to a faulty diagnosis may be very costly to an organization
impact of sequencing problem
Sample Size in Non Propbability The probability selection does not apply to purposive selection. The size of the non probability samples is selected in a subjective ma
Royce A. Singleton and Bruce C. Straits have said that scientific social research consists of the process of formulating and seeking answers to question about the social wor
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The scientific methods is thus based on certain basic postulate which can be stated as under: a. It relies on empirical evidence: b. It utilizes relevant concepts;
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 i
Discuss the methodology of operation research
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