Question

If A and B are two events of a random experiment,

$P ( A ) = 0.25$ , $P ( B ) = 0.5$ and $P ( A \cap B ) = 0.15$ then

$P ( A \cap \bar { B } ) =$

• A. 0.1
• B. 0.35
• C. 0.15
• D. 0.6

Answer 1

Answer: (A)

0.1

Answer 2

Since $P ( A \cap \bar { B } ) + P ( A \cap B ) = P ( A )$

$\Rightarrow P ( A \cap \bar { B } ) = P ( A ) - P ( A \cap B ) = 0.25 - 0.15 = 0.1$