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Competitive Stats
Q16Section ST (Statistics (Q11–Q65))16 of 65

Mean of iid normals from tail probabilities

Let XX and YY be independent and identically distributed normal random variables. If P(X+2Y≤3)=P(2X−Y≥4)P(X + 2Y \le 3) = P(2X - Y \ge 4), then E(X)E(X) is

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