For any event A P(A) P(not A) = 1 If the probability that an event occurs is 0.8, the probability the event does not occur is

CruftyCraft asked Sep 2, 2022

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For any event A P(A) P(not A) = 1

If the probability that an event occurs is 0.8, the probability the event does not occur is

CruftyCraft asked Sep 2, 2022

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22 votes

Answer:

$P( A) \: + P( \bar A) = 1 \\ 0.8 + P( \bar A) = 1 \\ P( \bar A) = = 1 - 0.8 = 0.2$

Evania answered Sep 8, 2022

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