Select the events that are mutually exclusive. Question 18 options: a) Rolling a sum of 9 or rolling a multiple of 6 with a pair of six-sided dice, numbered 1 to 6. b) Rolling a sum of 10 or rolling a multiple of 2 with a pair of six-sided dice, numbered 1 to 6. c) Rolling a sum of 2 or rolling a prime number with a pair of six-sided dice, numbered 1 to 6. d) Rolling a sum of 6 or rolling a factor of 12 with a pair of six-sided dice, numbered 1 to 6