STA018 · Probability & statistics · Classes 8–12
Probability
How likely an event is, from 0 (impossible) to 1 (certain).
3D dice
📐 Formula
P(E) = favourable outcomes ÷ total outcomes
✏️ Worked example
Rolling a die: P(6) = 1/6 ≈ 0.167; P(even) = 3/6 = ½.
🌍 Where it is used
Weather forecasts, insurance and games.
❓ Quick check
P(head) when tossing a fair coin: