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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 canteen requires an average of 7 minutes per student whilst attended service has a rate of 6 minutes per student. Customers arrive randomly at the rate of 5 per hour. As the manager of the canteen, you are required to calculate the following operations statistics for each service:
(i) the average number of customers, (ii) the expected number of customers waiting for service, (iii) average time spent in the system, (iv) average time waiting for service.
Based on your results in (b), comment on the two services offered at the university canteen.
Select one of the topics listed 1-6 below and outline a programme of quantitative research for its investigation. The assignment should cover issues of sample design, instrumen
current economic situation
Solve the following Linear Programming Problem using Simple method. Maximize Z= 3x1 + 2X2 Subject to the constraints: X1+ X2 = 4 X1 - X2 = 2
types of OR ,technique and mathematical system and linear programming system in operation research
In a big industry the numbers of factors influencing a decision have increased situation has become big and complex because these factors interact with each other in complica
we have three reservoirs with daily supplies of15, 20 and 25 litres of fresh water respectively. on each day we must supply four cities A B C D whose demands are 8 10 12 and 15 res
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
meaning,significance of operations research in bussiness management?
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.
Small Sample The central limit theorem does not work well with small samples even if the population in non Gaussian. So we cannot rely on the central limit theorem
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