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x P(x) 0 0.3 1 0.25 2 0.2 3 0.25 Find the standard deviation of this probability distribution. Give your answer to at least 2

x	P(x)
0	0.3
1	0.25
2	0.2
3	0.25

Find the standard deviation of this probability distribution. Give your answer to at least 2 decimal places

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