決策樹：練習題

• a.They are only applicable to manufacturing businesses and not service sectors.
• b.The data used for probabilities and expected values is often based on estimates rather than certainties.
• c.They ignore the potential financial costs of different options.
• d.They cannot be used to compare two different investment projects.

• a.Combining two different chance nodes into a single decision node.
• b.Removing the probabilities that sum to less than 1.0.
• c.Rejecting the options with the lower expected monetary values at a decision node.
• d.Ignoring the initial costs of the project to focus on revenue.

• a.The probability of failure cannot be higher than the probability of success.
• b.The probabilities at a chance node must sum to exactly 1.0.
• c.The analyst forgot to subtract the initial cost from the probabilities.
• d.Probabilities must be expressed as percentages, not decimals.

• a.A chance node showing the probability of different market outcomes.
• b.A decision point where the management must choose between different courses of action.
• c.The point where net profit is calculated after deducting initial costs.
• d.The final expected monetary value (EMV) of a specific project.

• a.They should be ignored as they cannot be assigned a probability.
• b.They should be converted into a decimal and added to the probability of success.
• c.They should be considered alongside the numerical EMV, as the tree only accounts for quantifiable data.
• d.Qualitative factors are already inherently included in the calculation of the final payoff values.

先自己寫一次答案，再對照解題步驟。

先自己寫一次答案，再對照解題步驟。

先自己寫一次答案，再對照解題步驟。