Probability - Paper 3 - Topic 3.2 Flashcards

1
Q

P(A′) = …

A

1 − P(A)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

P(A ∪ B) = …

A

P(A) + P(B) − P(A ∩ B)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

P(A ∩ B) = …

A

P(A) X P(B|A)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

Explain:

Conditional probability
formula

A

P(A|B) = P(A ∩ B)
P(B)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly