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X P(x) Determine whether the distribution is a discrete probability distribution. 0 0.16 0.21 2 0.26 0.21 0 16 Is the distribution a discrete probability distribution? Why? Choose the correct answer below. O A. Yes, because the distribution is symmetric. O B. No, because some of the probabilities have values greater than 1 or less than 0. O C. No, because the total probability is not equal to 1. O D. Yes, because the probabilities sum to 1 and are all between 0 and 1, inclusive