Use the given information to find the indicated probability. A and B are mutually exclusive. P(A)...

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Question

Use the given information to find the indicated probability. A and B are mutually exclusive. P(A) = .1, P(B) = .7. Find P((A ∪ B)').

Answer 1

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Answer #1

Solution :

If A and B are mutually exclusive then ,

P(A $\cup$ B) = P(A) + P(B)

P(A $\cup$ B)^c = 1 - P(A $\cup$ B) = 1 - P(A) - P(B)

= 1 - 0.1 - 0.7

= 0.2

Answer 2

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