Key learning points

1. The possible outcomes can be displayed for two or more events using an appropriate diagram.
2. The various diagrams can be evaluated and the appropriateness of each diagram decided.
3. The likelihood of an outcome can be determined using a mixture of different diagrams.

Common misconception

Keywords

• Likelihood - Likelihood describes the chance that a particular event occurs.

• Outcome table - An outcome table is a table that shows all the possible outcomes.

• Outcome tree - Each branch of an outcome tree shows a possible outcome from an event or from a stage of a trial. The full outcome tree shows all possible outcomes.

• Venn diagram - Venn diagrams are a representation used to model statistical/probability questions. Commonly circles are used to represent events.