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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.
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
application&techniques
Yates Correction for Continuity for 2x 2Tables If any cell frequency in 2x 2 table isles than 5thenfor the application of X 2 test it is pooled with the preceding or suc
The plant is using the chase production option and the ATO process design. The BOM is illustrated below. Requirement The factory works on a process layout but
Regression Equations The regression equations express the regression line. As there are two regression lines so there are two regression equations. The regression equatio
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 pa
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make a research project for modern day companies on how they can make decisions using decision analysis
b. 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 pape
explian completelly the operation reserch
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