If A and B are any two events such that P(A) = 2/5 and P (A B) = 3/20, hen the conditional probability, P(A |. (A' B')), where A' denotes the complement of A, is equal to:

Statistics and Probability: JEE Main 2016 Mathematics question

JEE Main 2016 · 9 Apr, Morning shift · Q4943

JEE Main 20169 Apr, Morning shiftMathematicsMediumStatistics and Probability258× since 2002

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 :