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# MAT 540 Tests 1 & 2

AU

GPA 3.8

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This 11 page Study Guide was uploaded by tophomework Notetaker on Sunday November 15, 2015. The Study Guide belongs to a course at a university taught by a professor in Fall. Since its upload, it has received 16 views.

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Date Created: 11/15/15

1. Question : In a given experiment the probabilities of mutually exclusive events sum to Student Answer: 0 0.5 1 none of the above Points Received: 2 of 2 Comments: 1442713235 MultipleChoice 8 True 0 1442713235 MultipleChoice 8 2. Question : The events in an experiment are mutually exclusive if only one can occur at a time. Student Answer: True False Points Received: 2 of 2 Comments: 1442713236 TrueFalse 7 True 0 1442713236 TrueFalse 7 3. Question : ____________ techniques include uncertainty and assume that there can be more than one model solution. Student Answer: Deterministic Probabilistic Distribution Probability Points Received: 2 of 2 Comments: 1442713237 MultipleChoice 6 True 0 1442713237 MultipleChoice 6 4. Question : The probabilities of mutually exclusive events sum to zero. Student Answer: True False Points Received: 2 of 2 Comments: 1442713238 TrueFalse 9 True 0 1442713238 TrueFalse 9 5. Question : Variable costs are independent of volume and remain constant. Student Answer: True False Points Received: 2 of 2 Comments: 1442713239 TrueFalse 3 True 0 1442713239 TrueFalse 3 6. Question : The steps of the scientific method are: Student Answer: problem definition, model construction, observation, model solution, implementation. observation, problem definition, model construction, model solution, implementation. model construction, problem definition, observation, model solution, implementation. observation, implementation, problem definition, model construction, model solution. Points Received: 2 of 2 Comments: 1442713240 MultipleChoice 1 True 0 1442713240 MultipleChoice 1 7. Question : In a given experiment, the probabilities of all mutually exclusive events sum to one. Student Answer: True False Points Received: 2 of 2 Comments: 1442713241 TrueFalse 8 True 0 1442713241 TrueFalse 8 8. Question : Total cost equal the fixed cost plus the variable cost per unit divided by volume. Student Answer: True False Points Received: 2 of 2 Comments: 1442713242 TrueFalse 4 True 0 1442713242 TrueFalse 4 9. Question : An experiment is an activity that results in one of several possible outcomes. Student Answer: True False Points Received: 2 of 2 Comments: 1442713243 TrueFalse 6 True 0 1442713243 TrueFalse 6 10. Question : Fixed costs depend on the number of items produced. Student Answer: True False Points Received: 2 of 2 Comments: 1442713244 TrueFalse 2 True 0 1442713244 TrueFalse 2 11. Question : A ___________ probability is the probability that two or more events that are not mutually exclusive can occur simultaneously. Student Answer: joint marginal subjective binomial Points Received: 2 of 2 Comments: 1442713245 MultipleChoice 9 True 0 1442713245 MultipleChoice 9 12. Question : Which of the following is incorrect with respect to the use of models in decision making? Student Answer: they improve understanding of the problem they promote subjectivity in decision making they are generally easy to use they provide a systematic approach to problem solving Points Received: 2 of 2 Comments: 1442713246 MultipleChoice 5 True 0 1442713246 MultipleChoice 5 13. Question : Which of the following is an equation or an inequality that expresses a resource restriction in a mathematical model? Student Answer: decision variable. data an objective function. a constraint. a parameter. Points Received: 2 of 2 Comments: 1442713247 MultipleChoice 4 True 0 1442713247 MultipleChoice 4 14. Question : Profit is the difference between total revenue and total cost. Student Answer: True False Points Received: 2 of 2 Comments: 1442713248 TrueFalse 5 True 0 1442713248 TrueFalse 5 15. Question : The term decision analysis refers to testing how a problem solution reacts to changes in one or more of the model parameters. Student Answer: True False Points Received: 0 of 2 Comments: 1442713249 TrueFalse 1 False 0 1442713249 TrueFalse 1 16. Question : A model is a functional relationship and include: Student Answer: variables parameters equations all of the above Points Received: 2 of 2 Comments: 1442713250 MultipleChoice 3 True 0 1442713250 MultipleChoice 3 17. Question : Which of the following is not an alternative name for management science? Student Answer: decision sciences quantitative methods quantitative analysis operations research decision support systems Points Received: 2 of 2 Comments: 1442713251 MultipleChoice 2 True 0 1442713251 MultipleChoice 2 18. Question : Objective probabilities that can be stated prior to the occurrence of an event are Student Answer: subjective a priori classical or a priori none of the above Points Received: 2 of 2 Comments: 1442713252 MultipleChoice 7 True 0 1442713252 MultipleChoice 7 19. Question : A set of events is collectively exhaustive when it includes _______ the events that can occur in an experiment. Student Answer: some of one of all any of Points Received: 2 of 2 Comments: 1442713253 MultipleChoice 10 True 0 1442713253 MultipleChoice 10 20. Question : A frequency distribution is an organization of numerical data about the events in an experiment. Student Answer: True False Points Received: 2 of 2 Comments: These are the automatically computed results of your exam. Date Taken: 4/16/2011 Grades for essay questions, and comments from your Time Spent: 16 min , 50 secs instructor, are in the "Details" section below. Points Received: 38 / 40 (95%) Question Type: # Of Questions: # Correct: True/False 10 10 Multiple Choice 10 9 Grade Details 1. Question : Determining the worst payoff for each alternative and choosing the alternative with the best worst is called Student Answer: maximin minimin maximax minimax Points Received: 2 of 2 Comments: 1450961499 MultipleChoice 6 True 0 1450961499 MultipleChoice 6 2. Question : The maximax criterion results in the maximum of the minimum payoffs. Student Answer: True False Points Received: 2 of 2 Comments: 1450961500 TrueFalse 4 True 0 1450961500 TrueFalse 4 3. Question : Regret is the difference between the payoff from the Student Answer: best decision and all other decision payoffs worst decision and all other decision payoffs 1450961501 MultipleChoice 3 True 0 1450961501 MultipleChoice 3 1450961502 MultipleChoice 2 True 0 1450961502 MultipleChoice 2 1450961503 TrueFalse 3 True 0 1450961503 TrueFalse 3

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