IF P(A) = 6/11, P(B) = 5/11 and P(A ∪ B) = 9/11 Find

Question

If P(A) = \(\frac{6}{11}\), P(B) = \(\frac{5}{11}\) and P(A ∪ B) = \(\frac{9}{11}\) Find

1. P(A ∩ B)
2. P(A/B)
3. P(B/A)

Answer 1

1. P(A∩B) = P(A) + P(B) – P(A∪B)

2. P(A/B)

3. P(B/A)