Edexcel GCSE Statistics · 1ST0
Specification 3p.07 · Paper 1, Paper 2
Revise: Outcome diagrams and conditional probabilityA tree diagram branches at each stage of an experiment. Each complete path from the start to an endpoint represents one ordered outcome. For three coin tosses, branch into H and T at the first stage, then repeat this branching after every outcome at the second and third stages.