1.4.31hard一级题目发布者: ai-batch题干若 P(A∣B)>P(A∣Bˉ)P(A \mid B) > P(A \mid \bar{B})P(A∣B)>P(A∣Bˉ),证明: P(B∣A)>P(B∣Aˉ).P(B \mid A) > P(B \mid \bar{A}).P(B∣A)>P(B∣Aˉ).