A screening test gives a positive result for 92% of people who have a condition and for 6% of people who do not. In the population, 4% of people have the condition.
Given that a randomly selected person tests positive, find the probability that the person has the condition.
164 exam-style questions on WJEC A Level Maths 4.1 Probability (A-level only), covering 4.1.1 Probability (A-level only), 4.1.2 Probability (A-level only), and 4.1.3 Probability (A-level only). Each one has a worked solution and a mark scheme showing where the marks go.