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To solve this problem you need to do as shown below. P(A or B) = P(A) + P(B) → _Write disjoint probability formula._ = P(A)/(Total#) + P(B)/(Total#) = 48/162 + 78/162 → _Add._ = 112/162 → _Simplify if possible._ = 0.6914 → _Use a Calculator._ So as
