Question
If A and B are independent events, then $P(\bar{A} / \bar{B})= ?$

Answer

$(b)  1- P ( A )$
$ \text { Explanation: } P(\overline{A} / \overline{ B })$
$=\frac{P(\bar{A} \cap \bar{B})}{P(\bar{B})}$
$=\frac{P(\bar{A}) P(\bar{B})}{1-P(B)}$
$=1- P ( A )$

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