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x P(x) 0 0.25 1 0.05 2 0.15 3 0.55 Find the standard deviation of this...

x P(x)
0 0.25
1 0.05
2 0.15
3 0.55


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

   

Math   Statistics-And-Probability   
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