Probability

Question 1

Mutually Exclusive events

Answer 1

P(A u B) = P(A) + P(B)

Question 2

Independent Events

Answer 2

P(A n B) = P(A) x P(B)

Question 3

Solving Conditional Probability Problems formula

Answer 3

P(A|B) = P(A n B) / P(B)

Question 4

Formula relating the intersection to the union

Answer 4

P(A u B) = P(A) + P(B) - P(A n B)