Question

D1 D2 D3 D4 S1 2500 3700 4900 7500 S2 5000 3500 5200 8000 S3 5400...

D1
D2
D3
D4
S1
2500
3700
4900
7500
S2
5000
3500
5200
8000
S3
5400
4200
5000
7600
Note that the PAYOFFS represent COST, determine the best alternative under the following:
1- The optimistic criterion.
2- The conservative/pessimistic criterion.
3- The regret criterion.
4- Draw a decision tree for this problem
5- If P(Sj) = 0.2, 0.35 for S1 and S2 respectively, find the best Expected Monetary Value.

Homework Answers

Answer #1

The image below shows some of the calculations and the decision tree. Based on these, we can answer the questions

1

Optimistic criteria is to choose the best among the best options. That is D1 with the cost of 2500 only

2.

The pessimistic criteria is to choose the best among the worst options. That is D2 with the cost of 4200 only

3.

The regret criteria chooses the best among the regrets. That is D2 with the regret of 1200

4.

The decision tree is shown below. The circle nodes are D1, D2, D3, and D4 respectively.

5.

The expected monetary value is calculated by multiplying the probabilities with their payoff for each decision. The probabilities are 0.2, 0.35 and 0.45 for S1, S2, and S3. The EMVs are shown. The best EMV is alternative D2 with the least cost of 3855

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