Key learning points

1. The probability of an outcome can be found by considering a two-way table showing all possible outcomes for two events.
2. The probability of a set of outcomes can be found using a two-way table showing all possible outcomes for two events.
3. The probability of a set of outcomes can be found using a two-way table, even when the outcomes are not equally likely.

Keywords

• Theoretical probability - A theoretical probability is a probability based on counting the number of desired outcomes from a sample space where all individual outcomes are equally likely.

Common misconception