设A、B两事件满足P(A)=0．8，P(B)=0.6，P(B｜A)=0.8，则P

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问题设A、B两事件满足P(A)=0．8，P(B)=0.6，P(B｜A)=0.8，则P(A∪B)为( )。A．0.46B．0.56C．0.66D．0.76

选项

答案D

解析P(A∪B)=P(A+B)=P(A)+P(B)-P(A)×P(B/A)=0.8+0.6-0.8×0.8=0.76

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