Two Events – Use of Sample Spaces (Leaving Cert Mathematics): Flashcards

Complete collection of all possible outcomes in an experiment

{HH, HT, TH, TT}

$\frac{\text{favorable outcomes}}{\text{total outcomes}}$

Organise outcomes systematically for complex experiments

Total outcomes = product of individual outcomes

12 (2 × 6)

36 (6 × 6)

$\frac{1}{6}$ or $\frac{6}{36}$

6 ways: (1,6), (2,5), (3,4), (4,3), (5,2), (6,1)

$\frac{1}{6}$ or $\frac{6}{36}$

$\frac{1}{12}$ or $\frac{3}{36}$

Always simplify fractions to simplest form