Probability - Paper 3 - Topic 3.2 Flashcards
1
Q
P(A′) = …
A
1 − P(A)
2
Q
P(A ∪ B) = …
A
P(A) + P(B) − P(A ∩ B)
3
Q
P(A ∩ B) = …
A
P(A) X P(B|A)
4
Q
Explain:
Conditional probability
formula
A
P(A|B) = P(A ∩ B)
P(B)