In the probability distribution to the right, the random variable X represents the number of marriages an individual aged 15 years or older has been involved in. Complete parts (a) through (f) below. P(x) 0.274 MI AWN - O X 0.027 0.003 0.001 (a) Verify that this is a discrete probability distribution. This is a discrete probability distribution because between and ], inclusive, and the of the probabilities is (Type whole numbers. Use ascending order.)