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Saint MBA550 final exam

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Question;Question 1.;1.;The production manager for the Coory soft drink company is;considering the production of two kinds of soft drinks: regular (R) and;diet (D). Two of her limited resources are production time (8 hours =;480 minutes per day) and syrup (1 of the ingredients), limited to 675;gallons per day. To produce a regular case requires 2 minutes and 5;gallons of syrup, while a diet case needs 4 minutes and 3 gallons of;syrup. Profits for regular soft drink are $3.00 per case and profits for;diet soft drink are $2.00 per case. What is the objective function?;(Points: 5);MAX $2R + $4DMAX $3R + $2DMAX $3D + $2RMAX $4D + $2R;Question 2.;2.;Project management differs from management of more traditional day-to-day activities because;(Points: 5);it has limited time frame.it has an unlimited budget.it is more expensive.it involves more of the workforce.;Question 3.;3.;The maximum number of constraints that could define the feasible solution space is;(Points: 5);234unlimited;Question 4.;4.;A plant manager is attempting to determine the production;schedule of various products to maximize profit. Assume that a machine;hour constraint is binding. If the original amount of machine hours;available is 200 minutes., and the range of feasibility is from 130;minutes to 300 minutes, providing two additional machine hours will;result in;(Points: 5);the same product mix, different total profit.a different product mix, same total profit as before.the same product mix, same total profit.a different product mix, different total profit.;Question 5.;5.;The $75 per credit hour course fee tacked on to all the MBA;classes has generated a windfall of $56,250 in its first semester. "Now;we just need to make sure we spend it all," the Assistant Dean cackled.;She charged the Graduate Curriculum Committee with generating a shopping;list before their next meeting. Four months later, the chairman of the;committee distributed the following. As the professor for the;quantitative modeling course, he tended to think in terms of decision;variables, so he added the left-most column for ease of use. Decision;Variable;Item;Cost;Note;A;iPads for everybody;$750/unit;Must get a cover if these are purchased;B;iPad covers with MBA logo;$25/unit;Not needed unless we buy iPads;C;Speaker series;$15,000;Can't afford both this and the iPads;D;Subscriptions to the Wall;Street Journal;$10/unit;Don't need if we have the electronic version;E;Subscriptions to the electronic;version of the Wall Street;Journal;$5/unit;Worthless without the iPads;Which of the constraints best describes the relationship between the iPads for everyone and the speaker series?;(Points: 5);A - C = 1A + C = 1A - C = 0A + C = 2;Question 6.;6.;In a ________ integer model, all decision variables have integer solution values.;(Points: 5);total0-1mixedall of the above;Question 7.;7.;If a maximization linear programming problem consists 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 feasible;solution to the integer linear programming problem.;(Points: 5);alwayssometimesoptimallynever;Question 8.;8.;When systematically formulating a linear program, the first step is to;(Points: 5);construct the objective function.formulate the constraints.identify the decision variables.identify the parameter values.;Question 9.;9.;The critical path is the ________ path through the network.;(Points: 5);longestshorteststraightestmost expensive;Question 10.;10.;In a 0-1 integer programming model, if the constraint x1 - x2;= 0, it means when project 2 is selected, project 1 ________ be;selected.;(Points: 5);must alwayscan sometimescan neveris already;Question 11.;11.;Multiple optimum solutions can occur when the objective function is _______ a constraint line.;(Points: 5);unequal toequal tolinear toparallel to;Question 12.;12.;A shadow price reflects which of the following in a maximization problem?;(Points: 5);The marginal gain in the objective that would be realized by adding one unit of a resourceThe marginal gain in the objective that would be realized by subtracting one unit of a resourceThe marginal cost of adding additional resourcesThe marginal gain of selling one more unit;Question 13.;13.;In a ________ integer model, some solution values for decision variables are integers and others can be non-integer.;(Points: 5);total0-1mixedall of the above;Question 14.;14.;For most graphs, the constraint equations which intersect to form a solution point must be solved simultaneously;(Points: 5);because the solution coordinates from the graph cannot be visually read with high precision.in order to confirm the mathematically determined coordinates.in order to determine all of the optimal point solution.because the slope b and the y-intercept a are not always integers.;Question 15.;15.;In order to transform a ">=" constraint into an equality ("=") in a linear programming model;(Points: 5);add a slack variable.add a surplus variable.subtract a surplus variable.subtract a surplus variable and add a slack variable.;Question 16.;16.;Cully Turniture buys two products for resale: big shelves (B);and medium shelves (M). Each big shelf costs $500 and requires 100;cubic feet of storage space, and each medium shelf costs $300 and;requires 90 cubic feet of storage space. The company has $75,000 to;invest in shelves this week, and the warehouse has 18,000 cubic feet;available for storage. Profit for each big shelf is $300 and for each;medium shelf is $150. What is the storage space constraint?;(Points: 5);90 B + 100 M = 1800090 B + 100 M = 18000100 B + 90 M = 18000500 B + 300 M = 18000;Question 17.;17.;is used to analyze changes in model parameters.;(Points: 5);Optimal solutionFeasible solutionSensitivity analysisA slack variable;Question 18.;18.;Which of the following could be a linear programming objective function?;(Points: 5);Z = 1A + 2BC + 3DZ = 1A + 2B + 3C + 4DZ = 1A + 2B / C + 3DZ = 1A + 2B2 + 3D;Question 19.;19.;The production manager for the Softy soft drink company is;considering the production of two kinds of soft drinks: regular and;diet. Two of her resources are production time (8 hours = 480 minutes;per day) and syrup (1 of the ingredients) limited to 675 gallons per;day. To produce a regular case requires 2 minutes and 5 gallons of;syrup, while a diet case needs 4 minutes and 3 gallons of syrup. Profits;for regular soft drink are $3.00 per case and profits for diet soft;drink are $2.00 per case. What is the time constraint?;(Points: 5);2R + 4D = 4802D + 4R = 4802R + 3D = 4803R + 2D = 480;Question 20.;20.;If t is the expected completion time for a given activity, then _____.;(Points: 5);LF = LS - tEF = ES - tEF = ES + tEF = LS - t

 

Paper#53687 | Written in 18-Jul-2015

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