Out of 40 boys, 23 have dark hair, 18 have brown eyes
MATHEMATICS · Multi-part · A Level · Mathematics · Probability · Probability
Problem
Out of 40 boys, 23 have dark hair, 18 have brown eyes, and 26 have dark hair, brown eyes, or both.
(1) Draw a Venn diagram to display this information.
(2) One of the boys is selected at random. Determine the probability that he has:
- dark hair and brown eyes
- brown eyes given that he has dark hair.