Question

If P(A)=0.1, P(B)=0.2 and P(AUB)=0.25, then find P(B/A”) and
P(A/B).​

Answer 1

Answer:

p (A/B)= 0.25

Explanation:

p(a ∪b) = p(a) +p(b) - p (a∩b)

0.25 = 0.1 + 0.2 - p ( a∩b)

⇒p (a∩b ) = 0.05

∴p( a/b) = 0.05/ 0.2 = 0.25