need answer asap,in 40 minutes. i will like your answer.

Question 5 (a) John travels to smool by train each day. On any day. the probability that his train is delayed is 0.3. If his train Is delayed, the probablllty that he is late for school is 0.9. If his train is not delayed, the probability that John is late for school is 0.2. (I) Draw a probability tree to show the posslble outcomes on anyr day. '- (ii) Find the probability that John is not late for school next Friday. (iii) John was late for school last Ho nday. What is the pmbabillty that his train was delayed? a