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Competitive Stats
Q57Section III (Statistics)57 of 84

Exchangeability gives P(X1≤X2)=12P(X_1\le X_2)=\tfrac12 for a continuous FF

Let X1X_1 and X2X_2 be iid random variables with distribution function F(x)F(x). Then, P(X1≤X2)P(X_1\le X_2) is:

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