理解貝葉斯公式 P(A|B)P(B)=P(A)P(B|A)

貝葉斯公式應該畫級聯的圖來理解 明確 P(A=0) = 0.5 P(B=0|A=0) = 0.6 P(B=0) = 0.6*0.5 + 0.25*0.6 + 0.25*0.6 = 0.6 則應用貝葉斯公式 P(A=0|B=0) = P(A=0)P(B=0|A=0) / P(B=0) = 0.5*0.6/0.6 = 0.5 明確 P(A=1) = 0.25 P(B=0|A=1) = 0.6 P(B=

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