For the experiment, let x determine a random variable and use knowledge of probability to prepare a probability distribution (Tree diagram) A) two dice are rolled, and the total number of points is recorded. Solution 7 has 16.67% chance with 6/36 combinations 2 - 2.78% 3 - 5.56% 4 - 8.33% 5 - 11.11% 6 - 13.89% 7 - 16.67% 8 - 13.89% 9 - 11.11% 10 - 8.33% 11 - 5.56% 12 - 2.78%.