Operations Research (ECOM4103)
BSc. Economics - ECN
Semester: First Semester
Level: 400
Year: 2019
Instruction: Attempt all Questions
Question One (25 marks)
[1a] With the use of 5 practical examples of successful Operations Research projects, present and show clearly
the role of O.R in the realization of such projects. NIB: presentation — 2pts; role = 2pts & importance 1pt
per' example).
Question Two (25 marks)
Q2a) In a tabular form, show how a feasible region can be located
(2b) Mr. Essame Yannick is a fanner dealing in-yams, Irish and plantains for commercial purpose. In 2017
he had a problem of transporting his commodities to Banibili and Ndop food markets as indicated below:
Question
(i) With your knowledge in linear programming, model the problem of Mr. Essame Yannick.
(ii) Solve the model to resolve the problem
(iii) How many baskets of each commodity will he transport to meet his goals?
Question Three (20 marks)
(3a) what is payoff table; define the corresponding elements in a payoff table
(3b) Blessman receives preliminary sales contracts from two sources: its own agent and building
managers. Historically, 3/8 of the contract has come from its agent and 5/8 from building managers.
Unfortunately, not all preliminary contracts result in actual sales contract. Actually, only
1
/2 of those
preliminary contracts received from building managers result in a sale, whereas
3/4
of those received from
its agent result in a sale. The net return to its agent from a sale is 6400 FCFA. The cost of processing and
following up on a preliminary contract that does not result in a sale is 320FCFA.
Question
What is the expected return associated with a preliminary sales contract?
Good Luck!!!
Item Yam Irish Plantains Cost
Bambili Market
5
1
3 600
Ndop Market
2
6 3 500
No. of baskets to transport
24 18 74
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FACULTY OF ECONOMICS AND MANAGEMENT SCIENCE DEPARTMENT: ECONOMICS
FIRST SEMESTER EXAMINATIONS 2018/2019 ACADEMIC YEAR
Course Code & Title: ECON405: OPERATIONS RESEARCH Credit Value: 5, Status: C
Course
Lecturer: Dr. Tambi Daniel & Dr. Saidou Baba,
REPUBLIC OF CAMEROON
Peace – Work - Fatherland
THE UNIVERSITY OF BAMENDA
P.O BOX 39, Bambili
www.schoolfaqs.net
