Given is a decision payoff table.
Future Demand |
|||
Alternatives |
Low |
Moderate |
High |
Small Facility |
33 |
22 |
18 |
Medium Facility |
19 |
32 |
22 |
Large Facility |
-10 |
29 |
43 |
a) The best decision under uncertainty using MAXIMAX is to
select facility
b) The best decision under uncertainty using MAXIMIN is to
select facility
c) The best decision under uncertainty using LAPLACE/EQUALITY
LIKELY is to select facility
d) If the probabilities for Future Demand when it is Low = 0.35,
Moderate = 0.30, and High = 0.35, the expected monetary value (EMV)
for the large facility = .
e) If the probabilities for Future Demand when it is Low = 0.35,
Moderate = 0.30, and High = 0.35, the best decision under risk is
to select facility.
a)
Maximax - Find the maximum payoff for each alternative and select the alternative which gives the maximum of these maximums.
Alternatives | Future Demand | Max | ||
Low | Moderate | High | Payoff | |
Small Facility | 33 | 22 | 18 | 33 |
Medium Facility | 19 | 32 | 22 | 32 |
Large Facility | -10 | 29 | 43 | 43 |
So,
Best decision = Large facility
b)
Maximin - Find the minimum payoff for each alternative and select the alternative which gives the maximum of these minimums.
Alternatives | Future Demand | Min | ||
Low | Moderate | High | Payoff | |
Small Facility | 33 | 22 | 18 | 18 |
Medium Facility | 19 | 32 | 22 | 19 |
Large Facility | -10 | 29 | 43 | -10 |
So,
Best decision = Small facility
c)
Laplace - Find the average payoff for each alternative and select the alternative which gives the maximum of these averages.
Alternatives | Future Demand | Average | ||
Low | Moderate | High | Payoff | |
Small Facility | 33 | 22 | 18 | 24.33 |
Medium Facility | 19 | 32 | 22 | 24.33 |
Large Facility | -10 | 29 | 43 | 20.67 |
So,
Best decision = Small or Medium facility
d)
The EMV for large facility = 0.35*(-10) + 0.30*(29) + 0.35*(43) = 20.25
e)
The EMV for large facility = 0.35*(-10) + 0.30*(29) + 0.35*(43)
= 20.25
The EMV for medium facility = 0.35*(19) + 0.30*(32) + 0.35*(22) =
23.95
The EMV for small facility = 0.35*(33) + 0.30*(22) + 0.35*(18) =
24.45
So,
Best decision = Small facility
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