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College students are randomly selected and arranged in groups of three The random variable x is the number in the group who say that they take one or more online courses Determine whether a probability distribution is given If a probability distribution is given find its mean and standard deviation If a probability distribution is not given identify the requirements that are not satisfied Does the table show a probability distribution Select all that apply A Yes the table shows a probability distribution B No not every probability is between 0 and 1 inclusive C No the sum of all the probabilities is not equal to 1 D No the random variable x is categorical instead of numerical E No the numerical values of the random variable x are not associated with probabilities 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 OA SCCOR students Round to one decimal place as needed OB The table does not show a probability distribution Find the standard deviation of the random variable x Select the correct choice below and if necessary fill in the answer box to complete your choice A G students Round to one decimal place as needed OB The table does not show a probability distribution X 0 1 2 3 P x 0 102 0 352 0 404 0 142 S

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