Mathematics 0580 · IGCSE · Conditional probability

Conditional probability — practice question

75 people are surveyed about whether they own a car, $C$, and whether they have a job, $J$. The Venn diagram displays the outcomes. There are 9 in $C$ only. There are 51 in the overlap of $C$ and $J$. There are 13 in $J$ only. There are 2 outside both circles.
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From the people who have a car, choose one person at random. Determine the probability that this person also has a job.

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