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Question
If A and B are two complementary events then the relation between P(A) and P(B) is ______.
Options
P(A) = P(B)
P(A) + P(B) = 0
P(A) + P(B) = 1
none of these
MCQ
Fill in the Blanks
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Solution
If A and B are two complementary events then the relation between P(A) and P(B) is P(A) + P(B) = 1.
Explanation:
We know that,
The probabilities of two complimentary events add up to 1.
∴ P(A) + P(B) = 1
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