Ononot — If P(A) = 0.3, P(B) = 0.4, and P(A \cup B) = 0.5, are A and

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Probability Basicshard

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If $P(A) = 0.3$ , $P(B) = 0.4$ , and $P(A \cup B) = 0.5$ , are $A$ and $B$ independent?