In a town, 25% of the residents own a cat, 55% own a dog
MATHEMATICS · Multi-part · A Level · Mathematics · Probability · Probability
Problem
In a town, 25% of the residents own a cat, 55% own a dog, and 30% do not own either animal.
(1) Draw a Venn diagram to describe the situation.
(2) Find the probability that a randomly selected resident:
- owns a cat given that they own a dog
- does not own a dog given that they own a cat.