Question: he following table provides a probability distribution for the random variable x. x f(x) 3 .25 6 .50 9 .25 Compute E(x), the expected value

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

x f(x)

3 .25

6 .50

9 .25

Compute E(x), the expected value of x.

Compute 2, the variance of x (to 1 decimal).

Compute , the standard deviation of x (to 2 decimals).

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