Probability Flashcards
1
Q
If A and B are mutually exclusive
A
P (A and B) = 0
P (A or B) = P(A) + P(B)
2
Q
If A and B are independent
A
P (A and B) = P(A) x P(B)
P(A|B) = P(A)
3
Q
P(B|A)=
A
P(A and B) / P(A)
4
Q
Addition law, P(A or B) =
A
P(A) + P(B) - P(A and B)