12I also need to know the mean of the random variable and the standard deviation??

tl Groups of adults are randomly selected and arranged in groups of three. X P(x) The random variable x is the number in the group who say that they 0.362 fro would feel comfortable in a self-driving vehicle. Determine whether a 0 probability distribution is given. If a probability distribution is given, find its 1 0.448 mean and standard deviation. If a probability distribution is not given, 2 0.166 identify the requirements that are not satisfied. 3 0.024 st? r Does the table show a probability distribution? Select all that apply. non A. Yes, the table shows a probability distribution. are B. No, the random variable x's number values are not associated with probabilities. C. No, not every probability is between 0 and 1 inclusive. one D. No, the random variable x is categorical instead of numerical. not u:E. No, the sum of all the probabilities is not equal to 1. ando final 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. er Click to select and enter your answer(s).