Statistics 5.3. Probability

(9709) CIE A Level Maths 2023 - 2025

1. Revision notes

Key concepts

1. addition and multiplication of probabilities
2. exclusive events: events that canNOT occur at the same time
3. independent events: one event occurs and has NO affect on the other, regardless of whether the second occurs or not
• determining independent and dependent events
4. conditional probabilities

2. Study Powerpoint

*or you can download it here.

* [PDF] Statistics formulae booklet (provided on exam)

3. Exercises (please click)

4. Solutions (please click)