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14.Probability
easy
If $A$ and $B$ are two independent events such that $P\,(A) = 0.40,\,\,P\,(B) = 0.50.$ Find $P$ (neither $A$ nor $B$)
A
$0.9$
B
$0.1$
C
$0.2$
D
$0.3$
Solution
(d) $P({\rm{neither}}\,A\,{\rm{nor}}\,B) = P(\bar A \cap \bar B)$
$ = P(\bar A)\,.\,P(\bar B) = 0.6 \times 0.5 = 0.30$.
Standard 11
Mathematics