. The following table lists the probability distribution of the number of breakdowns per week for a machine based on past data. Breakdowns per week 0 1 2 3 Probability 0.15 0.20 0.35 0.30 (a) Present this probability distribution graphically. (b) Find the probability that the number of breakdowns for this machine during a given week is (i) exactly 2 (ii) 0 to 2 (iii) more than 1 (iv) at most 1