6) Discrete Probability: The number of marriages an individual aged 15 years or older has been involved is represented by the random variable, x. The table below shows the results. 3. Determine whether the distribution represents a probability distribution. If not state why it is not and stop here. Othenivise, Compute the mean of the random variable: Note the mean is p = 2 [x * P(x)] c. Compute the standard deviation of the random variable. Note: The standard deviation is