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K College students are randomly selected and arranged in groups of three The random variable...

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Statistics

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K 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 the numerical values of the random variable x are not associated with probabilities C No not every probability is between 0 and 1 inclusive D No the random variable x is categorical instead of numerical E No the sum of all the probabilities is not equal to 1 X 0 1 2 3 P x 0 102 0 353 0 397 0 148

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