MGT2251_Quiz7_100611

# MGT2251_Quiz7_100611 - objective than the LP solution to...

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Last Name, First Name: T-Square ID QUIZ # 7 DATE: 10/6/2011 TODAY's QUESTIONs and Your Answers: 1 The increase in the objective function value that results from a one- unit increase in the right-hand side of that constraint is called…? SHADOW PRICE 1 1 point 2 Sensitivity analyses are used to examine the effects of changes in COEFFICIENTS of decision variables. 1 1 point 3 In linear programming terminology, "dual price" and "reduced cost " refer to the same values in the sensitivity report. TRUE FALSE 1 1 point 4 Sensitivity analysis enables looking at the effects of changing more than one coefficients in the objective function at the same time. TRUE FALSE 1 1 point 5 In an integer programming problem, if it is desired to have variable X be exactly twice the value of variable Y, the constraint would be written: X - 2Y = 0 1 1 point "X=2y" = -1/2 ; "Not a constraint" 6 An integer programming solution can never produce a greater profit
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Unformatted text preview: objective than the LP solution to the same problem. TRUE FALSE 1 1 point 7 The three types of integer programs are: PURE 1 1 point 8 MIXED 1 1 point 9 ZERO-ONE (BINARY) 1 1 point 10 A) X = 12 , Y = 32 B) X = 12, Y = 33 C) The objective function value must be less than \$253.67. 1 1 point D) The objective function value will be greater than \$253.67. E) None of the above An integer programming (maximization) problem was first solved as a linear programming problem, and the objective function value (profit) was \$253.67. The two decision variables (X, Y) in the problem had values of X = 12.45 and Y = 32.75. If there is a single optimal solution, which of the following must be true for the optimal integer solution to this problem?...
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