- Joel buys a box of second-hand Jazz and Blues CDs at a car boot sale.
In the box there are 30 CDs, 8 of which were recorded live. 16 of the CDs are predominantly Jazz and 13 of these were recorded in the studio. This information is shown in the following table.
| \cline { 2 - 4 }
\multicolumn{1}{c|}{} | Studio | Live | Total |
| Jazz | 13 | | 16 |
| Blues | | | |
| Total | | 8 | 30 |
- Copy and complete the table above.
Joel picks a CD at random to play first.
Find the probability that it is - a Blues CD that was recorded live,
- a Jazz CD, given that it was recorded in the studio.