AP Statistics Probability Formulas
Ace your homework & exams now with Quizwiz!
Multiplication Rule for Independent Events
P(A and B) = P(A) • P(B)
General Multiplication Rule
P(A and B) = P(A) • P(B|A)
For Mutually Exclusive Events
P(A or B) = P(A) + P(B)
General Addition Rule
P(A or B) = P(A) + P(B) - P(A and B)
Conditional Probability Formula
P(B|A) = P(A and B) / P(A)
