Summary (Grade 11 NSC Matric Mathematics): Quizzes

A single result from an experiment

All different things that could happen

A collection of one or more outcomes

They cannot happen at the same time

$P(A \text{ and } B) = P(A) \times P(B)$

$P(A \text{ or } B) = P(A) + P(B) - P(A \text{ and } B)$

$P(\text{not } A) = 1 - P(A)$

Between 0 and 1 inclusive

Multiply along paths, add across paths

Times event occurred ÷ total trials