Exam 1: Introduction
Exam 1: Introduction49 Questions
Exam 2: An Introduction to Linear Programming52 Questions
Exam 3: Linear Programming: Sensitivity Analysis and Interpretation of Solution47 Questions
Exam 4: Linear Programming Applications in Marketing, Finance and Operations Management38 Questions
Exam 5: Advanced Linear Programming Applications35 Questions
Exam 6: Distribution and Network Problems54 Questions
Exam 7: Integer Linear Programming43 Questions
Exam 8: Nonlinear Optimization Models48 Questions
Exam 9: Project Scheduling: Pertcpm44 Questions
Exam 10: Inventory Models51 Questions
Exam 11: Waiting Line Models48 Questions
Exam 12: Simulation49 Questions
Exam 13: Decision Analysis42 Questions
Exam 14: Multicriteria Decisions45 Questions
Exam 15: Forecasting47 Questions
Exam 16: Markov Processes41 Questions
Exam 17: Linear Programming: Simplex Method46 Questions
Exam 18: Simplex-Based Sensitivity Analysis and Duality34 Questions
Exam 19: Solution Procedures for Transportation and Assignment Problems42 Questions
Exam 20: Minimal Spanning Tree18 Questions
Exam 21: Dynamic Programming30 Questions
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To find the choice that provides the highest profit and the fewest employees, apply a single-criterion decision process.
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Correct Answer:
False
A company seeks to maximize profit subject to limited availability of man-hours. Man-hours is a controllable input.
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Correct Answer:
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There is a fixed cost of $50,000 to start a production process. Once the process has begun, the variable cost per unit is $25. The revenue per unit is projected to be $45.
a.Write an expression for total cost.
b.Write an expression for total revenue.
c.Write an expression for total profit.
d.Find the break-even point.
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(Essay)
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Correct Answer:
a.C(x) = 50000 + 25x
b.R(x) = 45x
c.P(x) = 45x - (50000 + 25x)
d.x = 2500
A small firm builds television antennas. The investment in plan and equipment is $200,000. The variable cost per television antenna is $500. The price of the television antenna is $1000. How many television antennas would be needed for the firm to break even?
(Short Answer)
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The first step in the decision making process is to identify the problem.
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The most critical component in determining the success or failure of any quantitative approach to decision making is problem definition.
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When the value of the output cannot be determined even if the value of the controllable input is known, the model is
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Explain the relationship among model development, model accuracy, and the ability to obtain a solution from a model.
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A manufacturer makes two products, doors and windows. Each must be processed through two work areas. Work area #1 has 60 hours of available production time. Work area #2 has 48 hours of available production time. Manufacturing of a door requires 4 hours in work area #1 and 2 hours in work area #2. Manufacturing of a window requires 2 hours in work area #1 and 4 hours in work area #2. Profit is $8 per door and $6 per window.
a.Define decision variables that will tell how many units to build (doors and windows).
b.Develop an objective function that will maximize profits.
c.Develop production constraints for work area #1 and #2.
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The terms 'stochastic' and 'deterministic' have the same meaning in quantitative analysis.
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A snack food manufacturer buys corn for tortilla chips from two cooperatives, one in Iowa and one in Illinois. The price per unit of the Iowa corn is $6.00 and the price per unit of the Illinois corn is $5.50.
a.Define variables that would tell how many units to purchase from each source.
b.Develop an objective function that would minimize the total cost.
c.The manufacturer needs at least 12000 units of corn.The Iowa cooperative can supply up to 8000 units, and the Illinois cooperative can supply at least 6000 units.Develop constraints for these conditions.
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As computer service center has the capacity to do 400 jobs per day. The expected level of jobs demanded per day is 250 per day. The fixed cost of renting the computer process is $200 per day. Space rents for $100 per day. The cost of material is $15 per unit of work and $.35 cents of labor per unit. What is the break-even level of work?
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