2. A pair of dice is rolled. Let X be the random variable representing the sum of the number of dots on the top faces. Find the values of the random variable X. Construct the frequency of distribution, the probability distribution of the random variable, and the probability histogram on a separate sheet. 2. A pair of dice is rolled . Let X be the random variable representing the sum of the number of dots on the top faces . Find the values of the random variable X. Construct the frequency of distribution , the probability distribution of the random variable , and the probability histogram on a separate sheet .​