Find the standard deviation

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Reference no: EM132135767

Question - Let Y be a random variable distributed as shown in the accompanying table.

y	0	1	2	3
p(y)	0.4	0.3	0.2	0.1

A) Find the mean of Y or, E(Y).

B) Find the standard deviation of Y, or sd(Y).

Reference no: EM132135767

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