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Nov 2018 p61 q7
2600
In a group of students, the numbers of boys and girls studying Art, Music and Drama are given in the following table. Each of these 160 students is studying exactly one of these subjects.
| Art | Music | Drama | |
|---|---|---|---|
| Boys | 24 | 40 | 32 |
| Girls | 15 | 12 | 37 |
Find the probability that a randomly chosen student is not studying Drama, given that the student is a girl.
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