Compute the standard deviation of x

Reference no: EM132135717

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).

Reference no: EM132135717

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