3) There are five green cards numbered 1, 3, 5, 7 and 9 respectively and four yellow cards 2, 4, 6 and 8 respectively. In a game, a player chooses a green card and a yellow card at random. The score for the game is found by subtracting the smaller number on the two cards f number on the two cards. For example, if the number on the green card is 1 and the number on the yellow card is 5. (a) Complete the following table to show all the possible scores. Yellow card 8 6 4 2 7 5 3 1 1 5 3 1 1 3 3 1 1 3 5 Green card 1 } 3 5 7 1 3 5 7 9 A player wins a prize by getting a score of 5 or more. (b) Tony plays the game once. What is the probability that he wins a prize?
