Probability Flashcards
1
Q
P(a and b) if independent
A
P(a) X P(b)
2
Q
A, or B
A
A or B or both
P(a or b)= P(a)+P(b) - P(a and b)
3
Q
A and B occur if dependent
A
P(a and b) = P(a) X P(b|a)= P(a) X (P(a and b)/ P(a))