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Determine whether the following distribution represents a valid probability distribution. X -3 -1 O 1 3 P(X) 0.25 0.25 0 0.30 0.20 A) Yes B)

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Determine whether the following distribution represents a valid probability distribution. X -3 -1 O 1 3 P(X) 0.25 0.25 0 0.30 0.20 A) Yes B) No, the sum of the probabilities is not 1. C) No, not all of the probabilities are positive. D) No, not all of the X values are positive

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