Exam 20: An Introduction to Decision Theory
Exam 1: What Is Statistics59 Questions
Exam 2: Describing Data: Frequency Tables, Frequency Distributions, and Graphic Presentation78 Questions
Exam 3: Describing Data: Numerical Measures71 Questions
Exam 4: Describing Data: Displaying and Exploring Data64 Questions
Exam 5: A Survey of Probability Concepts79 Questions
Exam 6: Discrete Probability Distributions79 Questions
Exam 7: Continuous Probability Distributions82 Questions
Exam 8: Sampling Methods and the Central Limit Theorem71 Questions
Exam 9: Estimation and Confidence Intervals77 Questions
Exam 10: One-Sample Tests of Hypothesis69 Questions
Exam 11: Two-Sample Tests of Hypothesis62 Questions
Exam 12: Analysis of Variance80 Questions
Exam 13: Correlation and Linear Regression84 Questions
Exam 14: Multiple Regression Analysis81 Questions
Exam 15: Nonparametric Methods: Nominal Level Hypothesis Tests107 Questions
Exam 16: Nonparametric Methods: Analysis of Ordinal Data84 Questions
Exam 17: Index Numbers64 Questions
Exam 18: Time Series and Forecasting85 Questions
Exam 19: Statistical Process Control and Quality Management82 Questions
Exam 20: An Introduction to Decision Theory67 Questions
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A maximin strategy will always choose the act or alternative that ________.
(Multiple Choice)
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The manager of Paul's fruit and vegetable store is considering the purchase of a new seedless watermelon from a wholesale distributor. Because this seedless watermelon costs $4,will sell for $7,and is highly perishable,he expects only to sell between six and nine of them. What is the payoff value for the purchase of seven watermelons when the demand is for seven or more watermelons?
(Multiple Choice)
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Sensitivity analysis examines the effects that changes in the probabilities for the states of nature have on the expected values of the alternatives or acts,and the corresponding decisions.
(True/False)
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Applying probabilities to a payoff table results in ________.
(Multiple Choice)
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The manager of Paul's fruit and vegetable store is considering the purchase of a new seedless watermelon from a wholesale distributor. Because this seedless watermelon costs $4,will sell for $7,and is highly perishable,he expects only to sell between six and nine of them. What is the payoff value for the purchase of eight watermelons when the demand is for seven watermelons?
(Multiple Choice)
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Which of the following is not a component of the decision-making process?
(Multiple Choice)
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When the payoffs are profits,the maximin strategy selects the alternative or act with the maximum gain.
(True/False)
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Besides a payoff table,the information for decision analysis can be organized using a ________.
(Multiple Choice)
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The manager of Paul's fruit and vegetable store is considering the purchase of a new seedless watermelon from a wholesale distributor. Because this seedless watermelon costs $4,will sell for $7,and is highly perishable,he expects only to sell between six and nine of them. What is the opportunity loss for purchasing eight watermelons when the demand is for nine watermelons?
(Multiple Choice)
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The manager of Paul's fruit and vegetable store is considering the purchase of a new seedless watermelon from a wholesale distributor. Because this seedless watermelon costs $4,will sell for $7,and is highly perishable,he expects only to sell between six and nine of them. What is the payoff value for the purchase of eight watermelons when the demand is for eight or more watermelons?
(Multiple Choice)
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The national sales manager for "I colored this" (ICT)T-shirts provides all salespersons with the payoff table shown next,giving the estimated profit when a retailer purchases from one to four dozen T-shirts. The probability of demand for each state of nature is also shown.
What is the expected payoff for purchasing four dozen T-shirts?


(Multiple Choice)
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In decision making,if there are one or more unknown factors,then the decision is made under conditions of uncertainty.
(True/False)
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A person is trying to decide if he or she should buy a lottery ticket. The ticket costs $2.00. If the ticket is a winner,the prize would be $1,000. Knowing that winning $1,000 is not a certain outcome (state of nature),the person finds that the probability of winning is 0.001. Based on this information,the following payoff table can be constructed:
What is the probability of losing $2.00?

(Multiple Choice)
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The national sales manager for "I colored this" (ICT)T-shirts provides all salespersons with the following opportunity loss table showing the potential lost profit for each purchase decision or act from one to four dozen T-shirts. The probability of demand for each state of nature is also shown.
What is the expected opportunity loss of purchasing one dozen T-shirts?


(Multiple Choice)
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The national sales manager for "I colored this" (ICT)T-shirts provides all salespersons with the payoff table shown next,giving the estimated profit when a retailer purchases from one to four dozen T-shirts. The probability of demand for each state of nature is also shown.
What would be the best decision if the maximax strategy is used?


(Multiple Choice)
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The national sales manager for "I colored this" (ICT)T-shirts provides all salespersons with the payoff table shown next,giving the estimated profit when a retailer purchases from one to four dozen T-shirts. The probability of demand for each state of nature is also shown.
What is the value of perfect information if the expected payoff is $180?


(Multiple Choice)
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A decision maker's course of action results in a consequence or payoff.
(True/False)
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A decision maker usually has a choice among several possible alternative acts. For each alternative act,there are many possible results called states of occurrence.
(True/False)
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