23 A fair 4-sided spinner is numbered 1, 2, 3 and 4. (a) Anil spins it once. He gets his score by doubling the number obtained. Complete the table to show the probabilities of his scores. (b) Billie spins it twice. She gets her score by adding the numbers obtained. (i) Complete the possibility diagram. (ii) Complete the table showing the probabilities for some of Billie’s scores. (c) Find the probability that Billie scores more than Anil.