Question: Find the standard deviations of the random variables in Exercise 9. In Exercise 9 a) b) 10 20 30 P(X=x) 0.3 0.5 0.2 Px x)0.3

Find the standard deviations of the random variables in Exercise 9.
In Exercise 9
a)
Find the standard deviations of the random variables in Exercise

b)

Find the standard deviations of the random variables in Exercise

10 20 30 P(X=x) 0.3 0.5 0.2 Px x)0.3 0.4 0.2 0

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