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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.
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
Anthology or Book with Articles or Works by Many Authors The name of the person compiling the book will be given followed by the word editor. For more than one edit
Ask questb. A Company produces 150 cars. But the production rate varies with the distribution. Production Rate 147 148 149 150 151 152 153 Probability 0.05 0.10 0.15 0.20 0.30 0.15
Operations research is used by manager in making business decisions. What are five each of its merit and demerit that the users need to be aware of?
cumulative discount factor
Normal 0 false false false EN-IN X-NONE X-NONE
Test Statistic The next step is compute an appropriate test statistic which is based on an appropriate probability distribution. It is used to test whether the null hypo
different classification of models in operation research
undertake the proposed research investigation in accordance with the agreed specification and procedures
#Principles of OR
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