Equally likely outcomes and fairness
Mathematics · Grade 10 · about 40 minutes
Theoretical probability divides by the number of outcomes only when those outcomes are equally likely.
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- 7 sections of explanation, worked examples and diagrams
- 1 practice task with hints and worked answers
- A quiz that marks itself as you go
- Your progress kept across every subject you take
Other lessons in this sub-strand
- Measuring chance
- Combined events
- The probability scale and the language of chance
- Equally likely outcomes and fairness
- Sample space and events
- Experimental probability as relative frequency
- The complement: not A, and at least one
- Mutually exclusive events and the addition rule
- Possibility tables for two trials
- Independent events: multiply along a tree
- Dependent events: drawing without replacement
- Probability in decisions: games, weather and risk