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Class 10 Mathematics Medium Mcq English Medium

If E and its complement are the only possibilities, then P(E) + P(not E) equals

Question
If E and its complement are the only possibilities, then P(E) + P(not E) equals
2
1
1/2
Answer
1
Detailed Explanation
An event and its complement together form the sample space, so their probabilities add to 1. — Examisthan.com
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