SQA National 5 Maths Tree and Venn diagrams
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One way of showing combinations of multiple events is through tree diagrams. Each branch is labelled at the end with its outcome and the probability is written alongside the line.
Venn diagrams use circles to represent sets of outcomes. They can show intersections of outcomes (i.e. where both outcomes happen) and unions (the probability of either or both outcomes occuring).
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