If 4 ,P(A) = 6 ,P ,(B) = 10 ,P ,(A B) = 1, then P , ( B A ) = - Vidyadip

MCQ

If $4\,P(A) = 6\,P\,(B) = 10\,P\,(A \cap B) = 1,$ then $P\,\left( {\frac{B}{A}} \right) = $

✓
$\frac{2}{5}$
B
$\frac{3}{5}$
C
$\frac{7}{{10}}$
D
$\frac{{19}}{{60}}$

✓

Answer

Correct option: A.

$\frac{2}{5}$

a
(a) $P{\rm{ }}\left( {\frac{B}{A}} \right) = \frac{{P(A \cap B)}}{{P(A)}} = \frac{{(1/10)}}{{(1/4)}} = \frac{2}{5}.$

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