Independent Events (HSC SSCE Mathematics Advanced): Flashcards

One event has no effect on probability of the other

$P(A|B) = P(A)$

$P(B|A) = P(B)$

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

Only when events are independent

Both a test for independence and a calculation tool

$\frac{1}{4}$

Use complement rule: $1 - P(\text{none})$

Neither defective

Yes, both are equivalent ways to express independence