Question

find the probability of complementary event whose probability of certain event is 2 by 3​

Answer 1

Answer:

As we know that

P(E) + P (E)' =1

given P (E) = 2/3

2/3 +P(E)' = 1

P (E)' = 1-2/3

P(E)' = 1/3

the probability of complementary event is 1/3

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