Given P(A) = 3/5 and P(B) = 1/5. Find P(A or B), if A and B are mutually exclusive events.

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asked Feb 8, 2018 in Mathematics by Rohit Singh (61,782 points) 35 133 355
Given P(A) = 3/5 and P(B) = 1/5. Find P(A or B), if A and B are mutually exclusive events.

1 Answer

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answered Feb 8, 2018 by sameer (82,980 points) 5 11 37
Here, P(A) = 3/5, P(B) = 1/5
For mutually exclusive events A and B,
P(A or B) = P(A) + P(B)
∴ P(A or B) = 3/5 + 1/5 = 4/5

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