ATARMAxxing · TCE Mathematics Methods – Foundation revision notes
nCr, factorial notation and counting selections to compute probabilities
Combinations
What this note covers
- Factorials and combination notation
- Symmetry and efficient calculation
- Selections with required members
- Selections with restrictions
- Using combinations in probability
- Interpreting order correctly
6 sections · 10 key terms & formulas · 6 common mistakes
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