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Previous Question A child psychologist randomly selects 12-yr-old boys for different groups X P(x) of three, and the random variable x is the number in the group who say 0 0.087 that girls are nice. Determine whether a probability distribution is given. If 1 0.349 a probability distribution is given, find its mean (expected value). If a 2 0.393 probability distribution is not given, identify the requirements that are not 3 satisfied. 0. 171 . . . . . Does the table show a probability distribution? Select all that apply. A. Yes, the table shows a probability distribution. B. No, the random variable x is categorical instead of numerical. C. No, the random variable x's number values are not associated with probabilities. D. No, the sum of all the probabilities is not equal to 1. E. No, not every probability is between 0 and 1 inclusive. 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. u= boy(s) (Round to one decimal place as needed.) B. The table does not show a probability distribution