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FRM一级
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Over the next year, an operational process model predicts a 95% probability of no loss occurrence and a 5% probability of a single loss occurrence. If the single loss occurs, the severity is characterized by three possible outcomes: $10.0 million loss with 20% probability, $18.0 million loss with 50% probability, and $25.0 million loss with 30% probability. What is the model's one-year 90% expected shortfall (ES)? 这一题很不理解,预期5%损失的是18.5million,那变成10%预期损失不应该是乘以2吗,为什么反而是除以2?
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