Question

Don't post irrelevant answer.

Answer only if you know the correct answer!​

Answer 1

For an event A,P (A) = 7/20 then P(Ā) = (?)

$Answer :$

We already know that,

P(A) + P(Ā) = 1

7/20 + P (Ā) = 1

P(Ā) = 1-7 / 20

Thus , P(Ā) = 13/20

So , the answer is P(Ā) = 13/20