Probability Flashcards
1
Q
Basic formula for probability
A
Favorable outcomes/Total outcomes
2
Q
Complementary events
A
P(A) + P(Not A)=1
3
Q
P(A and B)
A
Independent: P(A) x P(B)
Dependent: P(A) x P(A/B)
4
Q
P(A or B)
A
P(A) + P(B) if mutually exclusive
P(A) + P(B) - P(A and B) if not
5
Q
Probability of “at least one”
A
1 - P(ninguno)
