Leroy asks 50 people which sports they watch. They can choose from football, golf and hockey. 5 people watch all three sports. 8 people watch football and golf. 7 people watch golf and hockey. 9 people watch football and hockey. 31 people watch football. 13 people watch golf. 17 people watch hockey.
Complete the following table.
| Region | Number of people |
|---|---|
| Football and golf but not hockey | 3 |
| Golf and hockey but not football | 2 |
| Football and hockey but not golf | 4 |
| Football only | 19 |
| Golf only | 3 |
| Hockey only | 6 |
| None of the sports | 8 |
Draw a Venn diagram for this information.
One of the people is selected at random. Given they watch football, find the probability they do not watch hockey.
368 exam-style questions on Edexcel A Level Maths Conditional Probability, covering 2.1 Set Notation, 2.2 Conditional Probability, 2.3 Conditional Probabilities in Venn Diagrams, 2.4 Probability Formulae, and 2.5 Tree Diagrams. Each one has a worked solution and a mark scheme showing where the marks go.