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Mathematics

If the probability of happening of an event is p, then the probability of it not happening is: 1. p 2. p − 1 3. 1 − p 4.

Probability

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Answer

We know that,

P(E) + P(not E) = 1

Let p be the probability of an event happening, then probability of it not happening: 1 - p

Hence, option 3 is the correct option.

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