Question: The probability distribution of a random variable X is given in the table. Determine the mean, variance, and standard deviation of X. | Pr(X =

The probability distribution of a random variable X is given in the table. Determine the mean, variance, and standard deviation of X.
| Pr(X = k) %3D -2 .3 .1 1 4 .2 3.

| Pr(X = k) %3D -2 .3 .1 1 4 .2 3.

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