Combined Events Revision Videos

Combined events is a probability topic that you probably should do some more work on. Here's some videos to help you get things right.

Probability Rules

This video shows you how to build a probability tree to solve a probability question based on combined events.

The And rule and the Or rule

Christa made this video for an American audience but the Maths involved is the same as in the UK GCSE course. Here she examines the And rule and the Or rule which you will need to understand to calculate the probabilities of combined events.