Mathematics

If P(E) = 0.05, what is the probability of ‘not E’?

Probability

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Answer

We know that,

E and 'not E' are complementary events.

∴ P(E) + P(not E) = 1

⇒ 0.05 + P(not E) = 1

⇒ P(not E) = 1 - 0.05 = 0.95

Hence, P(not E) = 0.95

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