Answer
$.5$
Work Step by Step
We know that $P(A|B)=\frac{P(A\cap B)}{P(B)}$
Therefore
$P(A|B)=\frac{P(A\cap B)}{P(B)}=\frac{.3}{.6}=.5$
You can help us out by revising, improving and updating this answer.
Update this answerAfter you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.