And in principle, I could redo this calculation for every single possible probability you could think of.

并且理论上,对于每一个可能的概率对,我们都可以进行预期收益计算

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But they're accountable and we can list all possible values when they're discrete and form a probability weighted average of the outcomes.

但随机变量是离散的话,我们可以把所有的可能值列出来,然后算出加权平均值

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