2.1 - Probability Scale
2.2 - Probability of single events
2.3 - Mutually exclusive outcomes
2.4 - Experimental probability
2.5 - Expected number of outcomes
2.6 - Sample space diagrams
2.7 - Two-way tables
2.8 - Frequency trees
2.9 - Interpret and create Venn diagrams
2.10 - Union, intersection and set notation
2.11 - Probabilities from Venn diagrams