Question: Suppose that A and B are events defined on a common sample space and that the following probabilities are known: P(A) 0.5, P(A and

Suppose that A and B are events defined on a common sample space and that the following probabilities are known: P(A)  0.5, P(A and B) 

0.24, and P(A  B)  0.4. Find P(A or B).

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