1) In a model, the solution values of the decision variables are 0 or 1 . A) tot
ID: 345497 • Letter: 1
Question
1) In a model, the solution values of the decision variables are 0 or 1 . A) total integer B) binary C) mixed integer D) all of the above 2) In a balanced transportation model where supply equals demand, A) all constraints are equalities. B) none of the constraints are equalities. C) all constraints are inequalities. D) none of the constraints are inequalities. 3) The linear programming model for a transportation problem has constraints for supply at each at each destination. 4and A) destination, source B) source, destination C) demand, source D) source, demand 4) Which of the following assumptions is not an assumption of the transportation model? A) Shipping costs per unit are constant. B) There is one transportation route between each source and destination. C) There is one transportation mode between each source and destination. D) Actual total supply and actual total demand must be equal. 5) In the linear programming formulation of a transportation network, A) there is one variable for each route. B) there is one constraint for each node. C) the sum of variables corresponding to routes out of a source node is constrained by the su node. D) all of the above 6) The assignment problem constraint x41 +x42+x43+x44 3 means A) agent 3 can be assigned to 4 tasks. B) agent 4 can be assigned to 3 tasks. C) a mixture of agents 1, 2, 3 and 4 will be assigned to tasks 1, 2 or 3. D) There is no feasible solution.Explanation / Answer
1) Option (C) - Mixed integer model
2) Option (A) - All constraints are equalities
3) Option (D) - Source, Demand
4) Option (D) - Actual total supply and actual total demand must be equal
5) Option (D) - All of the above
6) Option (B) - Agent 4 can be assigned to 3 tasks
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