Leroy asks 50 people which of three sports they watch: football (FFF), golf (GGG) and hockey (HHH).
He finds that 5 people watch all three sports, 8 watch football and golf, 7 watch golf and hockey, 9 watch football and hockey, 31 watch football, 13 watch golf and 17 watch hockey.
Draw a Venn diagram to show this information.
One of the 50 people is selected at random. Given that the person watches football, find the probability that the person does not watch hockey.
164 exam-style questions on AQA A Level Maths 2.3.2 Conditional probability (A-level only). Each one has a worked solution and a mark scheme showing where the marks go.