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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.
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.
Horton and hunt have given followings nine characteristics of scientific method: 1. Verifiable evidence i e, factual observations which other observers can see and check
Advantages of Mode a.It is easy to understand as well as easy to calculate. In can be found out by inspection. b.It is usually an exacta value as it occurs most fre
#questiona paper mill produce two grades of x&y.becouse of raw material reswtriction
how do you use gantt chart for solving sequencing problem ? why is it not employed for solving larger problems?
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CONSIDER A BARBER SHOP WITH ONE CHAIR, ONE BARBER AND NO ROOM FOR CUSTOMER TO WAIT. IF THE CHAIR IS EMPTY WHEN THE CUSTOMER ARRIVES,HE ENTER THE SHOP AND HIS HAIR CUT BEGINS. IF TH
#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
difference between simplex solution procedure for maximisation and minimisation
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