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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.
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
Solve the following Linear Programming Problem using Simple method. Maximize Z= 3x1 + 2X2 Subject to the constraints: X1+ X2 = 4 X1 - X2 = 2 X1, X2 = 0
Disadvantage of standard Deviation It is not easy to understand and calculate. It gives more weight to the extremes and less to the items nearer to mean. Since
Question : (a) (i) What do you understand by the term "operations research"? (ii) Discuss three common operations research models. (b) Self-service at the university c
nass food produces to kinds of popular dark chocolate bars.the banana and coffee. the banana bar costs 0.22 to make and sells of 0.35, where as the coffee bar costs 0.40 to make an
Question 1) What are the advantages of retailing. Write a brief note on retailing in India Question 2) Define franchising. What are the advantages and challenges of franch
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 assignment
Principles of Report Writing Reports writing may involve the followings principles . a. Easy to Follow : The body of the report should be written in a self evident and
Steps of Research Proposal Proposal Content The researcher is always given instructions for preparing a proposal that indicate the format to be followed. Funding agencie
how to solve operation research optimization questions
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