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14.Probability
easy
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
$0.6$
Solution
(a) Since $P(A \cap \bar B) + P(A \cap B) = P(A)$
$ \Rightarrow P(A \cap \overline B ) = P(A) – P(A \cap B) = 0.25 – 0.15 = 0.1$
Standard 11
Mathematics