Construct a probability distribution for the sum shown on the faces when two dice, each with . faces, are rolled. Part: 0 / 2 Part 1 of 2 Find the mean. Round your answer to one decimal place as needed. Do not round intermediate steps. Mean: L X 5 Part: 1 / 2 Part 2 of 2 Find the variance and standard deviation. Round your answers to one decimal place as needed. Do not round intern steps. Variance: 0- Standard deviation: G