If A and B are such events that $P(A) > 0$ and $P(B) \ne 1$, then $P\left( {{A^\prime }/{B^\prime }} \right)$ equals to
If A and B are such events that $P(A) > 0$ and $P(B) \ne 1$, then $P\left( {{A^\prime }/{B^\prime }} \right)$ equals to
Official Solution
VVidaara Team
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and $P(B) \ne 1$
$P\left( {{A^\prime }/{B^\prime }} \right) = \frac{{P\left( {{A^\prime } \cap {B^\prime }} \right)}}{{P\left( {{B^\prime }} \right)}} = \frac{{1 - P(A \cup B)}}{{P\left( {{B^\prime }} \right)}}$
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