If A and B are mutually exclusive events with P(A) = .3 and P(B) = .5, then P(A ∪ B) =
A) 0
B) .15
C) .8
D) .2

Name: If A and B are mutually exclusive events with P(A) = .3 and P(B) = .5, then P(A ∪ B) = A) 0 B) .15 C) .8 D) .2
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Quizplus · Accepted Answer

Since A and B are mutually exclusive, they cannot happen at the same time, so the probability of A or B occurring is simply the sum of their individual probabilities: P(A ∪ B) = P(A) + P(B) = .3 + .5 = .8.

If a and B Are Mutually Exclusive Events with P(A)