Part 2 of 3 Points: 0.33 of 1 Save College students are randomly selected and arranged in groups of three. The random variable x X P(x) K is the number in the group who say that they take one or more online courses. Determine whether 0 0. 107 ` a probability distribution is given. If a probability distribution is given, find its mean and standard 0.353 deviation. If a probability distribution is not given, identify the requirements that are not satisfied 2 0.393 3 0 147 D. No, the numerical values of the random variable x are not associated with probabilities. DE. No, the random variable x is categorical instead of numerical. Find the mean of the random variable x. Select the correct choice below and, if necessary, fill in the answer box to complete your choice O A. = students (Round to one decimal place as needed.) O B. The table does not show a probability distribution