If A and B are mutually exclusive events, with P(A) = 0.30 and P(B) = 0.40, then P(A $\cup$ B) is:
A) $0.10$.
B) $0.12$.
C) $0.70$.
D) None of these choices are correct.

Name: If A and B are mutually exclusive events, with P(A) = 0.30 and P(B) = 0.40, then P(A $\cup$ B) is: A) $0.10$. B) $0.12$. C) $0.70$. D) None of these choices are correct.
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Question

If A and B are mutually exclusive events, with P(A) = 0.30 and P(B) = 0.40, then P(A $\cup$ B) is: 
A) $0.10$.
B) $0.12$.
C) $0.70$.
D) None of these choices are correct.

Quizplus · Accepted Answer

For mutually exclusive events, P(A ∪ B) = P(A) + P(B). Therefore, P(A ∪ B) = 0.30 + 0.40 = 0.70.

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