9. A box contains 6 red marbles, 4 green marbles, and 2 blue marbles. Camila randomly selects 2 marbles from the box without replacement. What is the probability of Camila choosing a red marble and then a second red marble? [2] 10. You throw two eight-sided dice. Determine the; i) theoretical probability of each event: [3] a) A sum of 7 b) a sum of 8 ii) odds against a sum of 7 nor a sum of 8 [2] 11. Austin Mathews says the odds of winning the next Leaf game are 3:1, the odds against losing are 5:1, and the odds against a tie are 7:1. Can these odds be correct? Explain. [3] 12. In a tournament, STA chess team has 13:2 odds against winning and DY has 1:4 odds in favour. Find the probability neither of these teams win the tournament. [3]