Probability
What
At GCSE you should be able to:
understand how to combine probabilities to find the probability of 2 (or 3) things happening
use two-way tables, Venn diagrams and Probability Trees to solve problems
Having a grasp of conditional probability. i.e. If A happens what is the probability of B happening. Many students struggle with this, so it is quite normal if you feel you need some support with this.
Probability is dealt with in the Statistics module at A-Level. You will learn a set of interesting new techniques to solve realistic problems.
Help
Probability Basics
Venn Diagrams
Tree Diagrams
Conditional Probability