01 / QUICK RECAP
Connect the ideas.
- Probabilities run from 0 for impossible to 1 for certain.
- For equally likely outcomes, divide favourable outcomes by all outcomes.
- Fractions, decimals and percentages can represent the same probability.
- Expected count equals trial count multiplied by probability.
- Observed frequencies can differ from expectations; retain honest records.
- Larger experiments tend to stabilise relative frequencies, without guaranteeing an exact result.
02 / TOPIC TEST
Put it together.
Choose a paper and show your working.
Probability topic test
Find and compare probabilities, predict counts, read supplied results and explain variation.
12 questions · 24 marks · 35 minutes · By hand
Curriculum reference & lesson scope
Australian Curriculum v9.0; SA Mathematics Curriculum 2026
Numerical likelihood; fractions/decimals/percentages; expected versus observed outcomes; larger simulations and variation.
Official curriculum source ↗