Conditional Probability

Question 1

Conditional probability

Answer 1

Tha probability that B will happen if A has happened is the conditional probability of B given A. P(B|A)

Question 2

The formula for conditional probability

Answer 2

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

Question 3

P (A and B)

Answer 3

P(B|A) x P(A)

Question 4

Formula for independent events

Answer 4

P(A)=P(A|B)