If A and B are independent events where P(A)=0.8,and P(B)=0.
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If A and B are independent events where P(A)=0.8,and P(B)=0.5,then P(A or B) is 急
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1.3-0.4=0.9
If A and B are independent events where P(A)=0.8,and P(B)=0.
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