Question 3 The events A and B are such that P( AB) = 0.6, P( BA) = 0.35, P( AB) = 0.15 . (a) Calculate the value of P(B). (b) Give a reason why A and B arc not independent. (c) Calculate the value of P(An B'), Question 4 The events A and B are such that P(A) = 0.55, P(B) = 0.25 and P(AUB) =0.6. (a) Find the value of P( AB), (b) Explain why the events A and B are not independent