Question

Probability of event A is 2

3

, then probability of not A is __________​

Answer 1

Probability of event A = 2/3

Probability of not A = 1-2/3

=1-0.66= 0.34

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Answer 2

P(E) = 2/3

P(E`) = 1- P(E)

P(E`) = 1- 2/3

P(E`) = 1/3

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