The following table provides a probability distribution for


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

x

f(x)

3

.25

6

.50

9

.25

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

B) Compute s2, the variance of x (to 1 decimal).

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

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Microeconomics: The following table provides a probability distribution for
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