Event A and B are such that P(A)=0.3 , P(B)=0.4 . If the event A happens,...

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Event A and B are such that P(A)=0.3 , P(B)=0.4 . If the event A happens,...

Event A and B are such that P(A)=0.3 , P(B)=0.4 . If the event A happens, then even B cannot happen. What is the probability of either A or B or Both?

math Statistics-And-Probability

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Answer 1

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If the event A happens, then even B cannot happenthe two are mutually exclusive. Recall that the joint probability of disjoin

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Event A and B are such that P(A)=0.3 , P(B)=0.4 . If the event A happens,...

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