Question: The random variable x has the following probability distribution. x f ( x ) 0 0.15 1 0.25 2 0.15 3 0.20 4 0.25 Calculate

The random variable x has the following probability distribution.

x f(x)
0 0.15
1 0.25
2 0.15
3 0.20
4 0.25

Calculate variance and standard deviation.

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