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Problem 13-14 (Algorithmic) The followng profit payoff table shows profit for a decision analysis problem vwith two decision

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Answer #1

a. Since its a profit problem,we take the maximum payoff decision alternative for a given state of nature.

So, optimal decision strategy if perfect information was available is :

S1 :d1

S2: d1 or d2

S3: d2

b. Expected value with perfect information =P(s1) *pay off in d1+P(s2) *Pay off in d1 or d2 +P(s3)*Pay off in d2

=0.45*250+0.25*100+0.3*150

=182.5

c. Using the treeplan plugin for excel,we draw the decision tree as shown below :

The recommended decision without perfect information : d1

VN 0 QR 0.45 s1 250 250 250 0.25 d1 S2 100 00 100 0167.5 0.3 53 100 00 100 167 0.45 s1 200 200 0.25 S2 d2 100 0160 100 100 0.

The expected value without perfect information(from the decision tree)=EVwoPI=167.5

d.Expected value of perfect information =Expected value with perfect information-Expected value without perfect information

EVPI=EVwPI-EVwoPI

=182.5-167.5=$15

Expected value of perfect information = 15

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