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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.
Methods of Survey and Study: Some methods of collecting information about the organisation and about the information requirement of potential users are mentioned below. No si
disadvantages of model in operational research
#q.2 Q.2 Six Operators are to be assigned to five jobs with the cost of assignment in Rs. given in the matrix below. Determine the optimal assignment. Which operator will have no a
Calculation of Standard Deviation - Discrete Series There are three methods for calculating standard deviation in discrete series": a. Actual Mean Methods: It inc
Operation Research may be regarded as a tool which is utilized to increase the effectiveness of the management decisions. O R is objective supplement to the subjective feeling
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
3 In a rectangular game, pay-off matrix of player A is as follows:
role of computer software in operation research
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 ot grade Y paper in
Solve the following Linear Programming Problem using simple method Maximize Z= 3x1 + 2x2 Subject to the constraints: X1 + X2 = 4
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