Tools and Techniques (Grade 12 NSC Matric Mathematics): Flashcards

Venn diagrams, tree diagrams, two-way contingency tables

Multiple events & their intersections or unions

Sequential events depending on previous results

Work from centre intersection outward

Multiply probabilities along path from start to finish

Must sum to 1

$P(A) + P(B) - P(A \cap B)$

$1 - P(A)$

$P(A \cap B) = P(A) \times P(B)$

Totals appearing at edges of table