Determine whether the distribution is a probability distribution. X O 2 4 5 - 1 - P(x) N - 20 50 10 100 . . . Is the probability distribution a discrete distribution? Why? Choose the correct answer below. O A. Yes, because the probabilities sum to 1 and are all between 0 and 1, inclusive. 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 distribution is symmetric