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Answers for “指示函数的期望值是什么?”

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The indicator of an event E is a Bernoulli variable. Its success probability is equal to the probability of the event E occurring.

Conditions: E is an event in the sample space.; The variable is defined as the indicator of E.

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The indicator of event E equals one for outcomes in E and zero for outcomes outside E. It records whether the event occurs without preserving other outcome details.

Conditions: E is a defined event within the sample space.; The variable is the indicator function of E.