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In the following probability distribution, the random variable x represents the number of activities a parent of a K to 5th-grade student is involved in. Complete parts (a) through (0 below. x|0|1|2|3|4g P(x) | 0.129 | 0.261 | 0.210 | 0.193 | 0.194 (3) Verify that this is a discrete probability distribution. This is a discrete probability distribution because the sum of the probabilities is and each probability is l