Question: (14) Given below is the distribution of a. random variable X: In-nnn Probability Immmanmlm (3) Find the probability that X is at most 3. (b)

(14) Given below is the distribution of a. random variable X: In-nnn Probability Immmanmlm (3) Find the probability that X is at most 3. (b) Find px, the mean of X. (c) Find a}, the variance of X

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