## Permutations of Two Events

Students learn how to list all the permutations of two events to calculate to calculate their probabilities. As learning progresses sample space diagrams are introduced for the more able.The start of the lesson recaps comparing theoretical probabilities using the probability scale. At the end of the lesson students are challenged to write the different permutations of four people sitting in a row.

**Differentiated Learning Objectives**

- All students should be able to list all the permutations for two independent events.
- Most students should be able to list all the permutations for two events and find a probability.
- Some students should be able to calculate the probability of a combined event using sample space diagrams.

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