Key learning points

1. Possible outcomes for two events can be shown in an outcome tree diagram.
2. The outcome tree diagram can be used to generate either an outcome table or list.
3. An outcome tree can be generated from either an outcome table or list.

Keywords

• Tree diagrams - Tree diagrams are a representation used to model statistical/probability questions. Branches represent different possible events or 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.

• Sample space - A sample space is all the possible outcomes of a trial. A sample space diagram is a systematic way of producing a sample space.

Common misconception