A survey is carried out and the results are tallied below. (7 marks) Hair Colour Child Teenager
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Question:
- A survey is carried out and the results are tallied below. (7 marks)
Hair Colour | Child | Teenager | Adult |
Blond hair | 23 | 34 | 67 |
Brown hair | 16 | 15 | 83 |
Other | 24 | 21 | 70 |
If a person is selected at random, determine the probability that they have brown hair given that they are not a child.
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