maiquynh20021611 maiquynh20021611

25-10-2022
Mathematics

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Giả sử X là biến ngẫu nhiên có kỳ vọng bằng a, G1 và G2 là các σ-đại số độc lập, X1 = E(X|G1), X2 = E(X1|G2). Hãy tìm phân phối xác suất của X2.

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