Independent events (AQA GCSE Maths): Flashcards

Events where one outcome doesn't affect the probability of the other

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

When both events occur together (AND)

When you want either outcome to happen (OR)

Show all possible outcomes and calculate probabilities

Multiply along the branches

Add up the outcomes

1

$\frac{7}{8} \times \frac{1}{8} = \frac{7}{64}$

$\frac{7}{8} \times \frac{7}{8} = \frac{49}{64}$