Quiz 5
Question 1
2 out of 2 points
| In a _______ integer model, some solution values for decision variables are integer and others can be non-integer.Answer | ||||
| Selected Answer: mixedCorrect Answer: mixed |
Question 2
2 out of 2 points
| In a total integer model, some solution values for decision variables are integer and others can be non-integer. Answer | ||||
| Selected Answer: FalseCorrect Answer: False |
Question 3
2 out of 2 points
| In a problem involving capital budgeting applications, the 0-1 variables designate the acceptance or rejection of the different projects. Answer | ||||
| Selected Answer: TrueCorrect Answer: True |
Question 4
2 out of 2 points
| If a maximization linear programming problem consist of all less-than-or-equal-to constraints with all positive coefficients and the objective function consists of all positive objective function coefficients, then rounding down the linear programming optimal solution values of the decision variables will ______ result in a(n) _____ solution to the integer linear programming problem.Answer | ||||
| Selected Answer: sometimes, optimalCorrect Answer: sometimes, optimal |
Question 5
2 out of 2 points
| The branch and bound method of solving linear integer programming problems is an enumeration method. Answer | ||||
| Selected Answer: TrueCorrect Answer: True |
Question 6
2 out of 2 points
| In a mixed integer model, all decision variables have integer solution values. Answer | ||||
| Selected Answer: FalseCorrect Answer: False |
Question 7
2 out of 2 points
| For a maximization integer linear programming problem, feasible solution is ensured by rounding _______ non-integer solution values if all of the constraints are less-than -or equal- to type.Answer | ||||
| Selected Answer: downCorrect Answer: down |
Question 8
2 out of 2 points
| In a total integer model, all decision variables have integer solution values. Answer | ||||
| Selected Answer: TrueCorrect Answer: True |
Question 9
2 out of 2 points
| The 3 types of integer programming models are total, 0 – 1, and mixed. Answer | ||||
| Selected Answer: TrueCorrect Answer: True |
Question 10
2 out of 2 points
| The branch and bound method of solving linear integer programming problems is ________________.Answer | ||||
| Selected Answer: an enumeration methodCorrect Answer: an enumeration method |
Question 11
2 out of 2 points
| The linear programming relaxation contains the _______ and the original constraints of the integer programming problem, but drops all integer restrictions.Answer | ||||
| Selected Answer: objective functionCorrect Answer: objective function |
Question 12
2 out of 2 points
| The branch and bound method can only be used for maximization integer programming problems. Answer | ||||
| Selected Answer: FalseCorrect Answer: False |
Question 13
2 out of 2 points
| The solution value (Z) to the linear programming relaxation of a minimization problem will always be less than or equal to the optimal solution value (Z) of the integer programming minimization problem Answer | ||||
| Selected Answer: TrueCorrect Answer: True |
Question 14
2 out of 2 points
| The implicit enumeration methodAnswer | ||||
| Selected Answer: eliminates obviously infeasible solutions and evaluates the remaining solutions to determine which one is optimalCorrect Answer: eliminates obviously infeasible solutions and evaluates the remaining solutions to determine which one is optimal |
Question 15
2 out of 2 points
| Types of integer programming models are _____________.Answer | ||||
| Selected Answer: all of the aboveCorrect Answer: all of the above |
Question 16
2 out of 2 points
| In a 0 – 1 integer model, the solution values of the decision variables are 0 or 1. Answer | ||||
| Selected Answer: TrueCorrect Answer: True |
Question 17
2 out of 2 points
| Which of the following is not an integer linear programming problem?Answer | ||||
| Selected Answer: continuousCorrect Answer: continuous |
Question 18
2 out of 2 points
| In a mixed integer model, some solution values for decision variables are integer and others can be non-integer. Answer | ||||
| Selected Answer: TrueCorrect Answer: True |
Question 19
2 out of 2 points
| Rounding small values of decision variables to the nearest integer value causes ______________ problems than rounding large values.Answer | ||||
| Selected Answer: moreCorrect Answer: more |
Question 20
2 out of 2 points
| In using rounding of a linear programming model to obtain an integer solution, the solution isAnswer | ||||
| Selected Answer: sometimes optimal and feasibleCorrect Answer: sometimes optimal and feasible |
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