Exam 17: Decision Making
Exam 1: Defining and Collecting Data145 Questions
Exam 2: Organising and Visualising Data203 Questions
Exam 3: Numerical Descriptive Measures147 Questions
Exam 4: Basic Probability168 Questions
Exam 5: Some Important Discrete Probability Distributions172 Questions
Exam 6: The Normal Distribution and Other Continuous Distributions190 Questions
Exam 7: Sampling Distributions133 Questions
Exam 8: Confidence Interval Estimation186 Questions
Exam 9: Fundamentals of Hypothesis Testing: One-Sample Tests180 Questions
Exam 10: Hypothesis Testing: Two-Sample Tests175 Questions
Exam 11: Analysis of Variance148 Questions
Exam 12: Simple Linear Regression207 Questions
Exam 13: Introduction to Multiple Regression269 Questions
Exam 14: Time-Series Forecasting and Index Numbers201 Questions
Exam 15: Chi-Square Tests134 Questions
Exam 16: Multiple Regression Model Building93 Questions
Exam 17: Decision Making106 Questions
Exam 18: Statistical Applications in Quality Management119 Questions
Exam 19: Further Non-Parametric Tests50 Questions
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A company that manufactures designer jeans is contemplating whether to increase its advertising budget by $1 million for next year.If the expanded advertising campaign is successful,the company expects sales to increase by $1.6 million next year.If the advertising campaign fails,the company expects sales to increase by only $400,000 next year.If the advertising budget is not increased,the company expects sales to increase by $200,000.
-Identify the payoff in this decision-making problem.
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(Multiple Choice)
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Correct Answer:
D
Instruction 17-4
The following information is from two investment opportunities.
A B Expectedmonetary \ 900 \ 600 value standarddeviation 100 50
-Referring to Instruction 17-4,which investment has the optimal return to risk ratio (RTRR)?
Free
(Multiple Choice)
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Correct Answer:
B
In portfolio analysis,the _______is the reciprocal of the return to risk ratio.
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(Short Answer)
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Correct Answer:
coefficient of variation
Blossom's Flowers purchases roses for sale for Valentine's Day.The roses are purchased for $10 a dozen and are sold for $20 a dozen.Any roses not sold on Valentine's Day can be sold for $5 per dozen.The owner will purchase 1 of 3 amounts of roses for Valentine's Day: 100,200,or 400 dozen roses.
-The opportunity loss for buying 200 dozen roses and selling 100 dozen roses at the full price is _______.
(Multiple Choice)
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Instruction 17-2
A student wanted to find out the optimal strategy to study for a Business Statistics exam. He constructed the following payoff table based on the mean amount of time he needed to put in every week studying for the course and the degree of difficulty of the exam. From the information that he gathered from students who had taken the course, he concluded that there was a 40% probability that the exam would be easy.
16 hours 8 hours 4 hours Easy Exam 40 60 80 Difficult Exam 100 50 0
-Referring to Instruction 17-2,what is the expected opportunity loss of spending 8 hours per week on average studying for the exam?
(Short Answer)
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Instruction 17-3
The following payoff table shows profits associated with a set of three alternatives under two possible events.
States A1 A2 AB 1 12 -2 8 2 4 10 5 where:
S1 is event 1
A1 is action alternative 1
S2 is event 2
A2 is action alternative 2
A3 is action alternative 3
-Referring to Instruction 17-3,if the probability of S1 is 0.5,then the expected value of perfect information (EVPI)for the payoff table is _______.
(Multiple Choice)
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Instruction 17-3
The following payoff table shows profits associated with a set of three alternatives under two possible events.
States A1 A2 AB 1 12 -2 8 2 4 10 5 where:
S1 is event 1
A1 is action alternative 1
S2 is event 2
A2 is action alternative 2
A3 is action alternative 3
-Referring to Instruction 17-3,if the probability of S1 is 0.5,then the coefficient of variation for A1 is _______.
(Multiple Choice)
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Instruction 17-2
A student wanted to find out the optimal strategy to study for a Business Statistics exam. He constructed the following payoff table based on the mean amount of time he needed to put in every week studying for the course and the degree of difficulty of the exam. From the information that he gathered from students who had taken the course, he concluded that there was a 40% probability that the exam would be easy.
16 hours 8 hours 4 hours Easy Exam 40 60 80 Difficult Exam 100 50 0
-Referring to Instruction 17-2,what is the expected monetary value of spending 16 hours per week on average studying for the exam?
(Short Answer)
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Instruction 17-6
A student wanted to find out the optimal strategy to study for a Business Statistics exam. He constructed the following payoff table based on the mean amount of time he needed to put in every week studying for the course and the degree of difficulty of the exam. From the information that he gathered from students who had taken the course, he concluded that there was a 40% probability that the exam would be easy.
16 hours 8 hours 4 hours Easy Exam 40 60 80 Difficult Exam 100 50 0
-Referring to Instruction 17-6,the optimal strategy using the coefficient of variation criterion is to study 8 hours per week on average for the exam.
(True/False)
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The curve for the _______ will show a rapid increase in utility for initial amounts of money followed by a gradual levelling off for increasing dollar amounts.
(Multiple Choice)
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Instruction 17-4
The following information is from two investment opportunities.
A B Expectedmonetary \ 900 \ 600 value standarddeviation 100 50
-Referring to Instruction 17-4,what is the coefficient of variation for investment A?
(Multiple Choice)
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Instruction 17-3
The following payoff table shows profits associated with a set of three alternatives under two possible events.
States A1 A2 AB 1 12 -2 8 2 4 10 5 where:
S1 is event 1
A1 is action alternative 1
S2 is event 2
A2 is action alternative 2
A3 is action alternative 3
-Referring to Instruction 17-3,if the probability of S1 is 0.2 and S2 is 0.8,then the expected opportunity loss (EOL)for A1 is _______.
(Multiple Choice)
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For a potential investment of $5,000,a portfolio has an expected monetary value (EMV)of $1,000 and a standard deviation of $100.The return to risk ratio (RTRR)is _______.
(Multiple Choice)
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Instruction 17-7
The following payoff table shows profits associated with a set of two alternatives under three possible events.
Event Action A Action B 1 1000 1200 2 500 700 3 300 -200
-Referring to Instruction 17-7,what is the optimal action using the return to risk ratio?
(Short Answer)
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Instruction 17-7
The following payoff table shows profits associated with a set of two alternatives under three possible events.
Event Action A Action B 1 1000 1200 2 500 700 3 300 -200
-Referring to Instruction 17-7,what is the optimal action using the coefficient of variation?
(Short Answer)
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Instruction 17-7
The following payoff table shows profits associated with a set of two alternatives under three possible events.
Event Action A Action B 1 1000 1200 2 500 700 3 300 -200
-Referring to Instruction 17-7,what is the expected profit under certainty (EPU)for this problem?
(Short Answer)
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Instruction 17-6
A student wanted to find out the optimal strategy to study for a Business Statistics exam. He constructed the following payoff table based on the mean amount of time he needed to put in every week studying for the course and the degree of difficulty of the exam. From the information that he gathered from students who had taken the course, he concluded that there was a 40% probability that the exam would be easy.
16 hours 8 hours 4 hours Easy Exam 40 60 80 Difficult Exam 100 50 0
-Referring to Instruction 17-7,the optimal strategy using the expected opportunity loss (EOL)criterion is to study 8 hours per week on average for the exam.
(True/False)
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Instruction 17-3
The following payoff table shows profits associated with a set of three alternatives under two possible events.
States A1 A2 AB 1 12 -2 8 2 4 10 5 where:
S1 is event 1
A1 is action alternative 1
S2 is event 2
A2 is action alternative 2
A3 is action alternative 3
-Referring to Instruction 17-3,the opportunity loss for A3 when S2 occurs is _______.
(Multiple Choice)
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Instruction 17-1
A student wanted to find out the optimal strategy to study for a Business Statistics exam. He constructed the following payoff table based on the mean amount of time he needed to put in every week studying for the course and the degree of difficulty of the exam. From the information that he gathered from students who had taken the course, he concluded that there was a 40% probability that the exam would be easy.
16 hours 8 hours 4 hours Easy Exam 40 60 80 Difficult Exam 100 50 0
-Referring to Instruction 17-1,how many possible events are there?
(Short Answer)
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