Leroy asks 50 people which sports they watch. They can choose from football (F), golf (G) and hockey (H). 4 people watch all three sports. 9 people watch football and golf 8 people watch golf and hockey 10 people watch football and hockey 30 people watch football 14 people watch golf 18 people watch hockey.
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. Give your answer as a fraction in its simplest form.
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.