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x P(x) 0 0.3 1 0.15 2 0.3 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 0.15

2 0.3

3 0.25

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

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