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anonymous
 5 years ago
let a & b be events with P(A) = 0.3 P(B) = 0.5 & P(anb)=0.2 probability that a or b happens a does not happen neither a or b happens either
anonymous
 5 years ago
let a & b be events with P(A) = 0.3 P(B) = 0.5 & P(anb)=0.2 probability that a or b happens a does not happen neither a or b happens either

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anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0P(A or B) = P(A) + P(B)  P(A and B) P(not A) = 1  P(A) P(neither A nor B) = 1  P(A or B)
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