Question: The following table provides a probability distribution for the random variable x. x369 f(x) .25 .50 .25 a. Compute E(x), the expected value of

The following table provides a probability distribution for the random variable x.

The following table provides a probability distribution for the random variable x. x369 f(x) .25 .50 .25 a. Compute E(x), the expected value of x. b. Compute 2, the variance of x (to 1 decimal). c. Compute, the standard deviation of x (to 2 decimals).

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