If A and B are any two events such that P(A) = … and P (A … B) = …, hen the conditional probability, P(A …(A' … B')), where A' denotes the complement of A, is equal to :

Probability

JEE Main 2016 · 9 Apr, Morning shift · Q4943

MathematicsMedium75×since 2002Q4943

If A and B are any two events such that P(A) =

{2 \over 5}

and P (A

\cap

B) =

{3 \over {20}}

, hen the conditional probability, P(A

\left| {} \right.

(A'

\cup

B')), where A' denotes the complement of A, is equal to :