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Saint MBA550 final exam




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 has an unlimited is more 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 order to confirm the mathematically determined 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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