概率论提高随机事件与概率概率统计做题本（一）解答版解答题查看解析已掌握收入错题本题讨论不看本题#8899设事件 A,BA,BA,B 相互独立， A,CA,CA,C 互不相容，且 P(A)=0.4,P(B)=0.3,P(C)=0.4,P(B∣C)=0.2P\left(A\right) = {0.4},P\left(B\right) = {0.3},P\left(C\right) = {0.4},P\left({B \mid C}\right) = {0.2}P(A)=0.4,P(B)=0.3,P(C)=0.4,P(B∣C)=0.2，求下列概率:(I) P(A∪B);P\left({A \cup B}\right);P(A∪B);(II) P(C∣A∪B);P\left({C \mid A \cup B}\right);P(C∣A∪B);(III) P(AB∣Cˉ)P\left({{AB} \mid \bar{C}}\right)P(AB∣Cˉ).
