Question: Let x be the random variable with the following distribution Value x of X PO(x=x) 0 0.05 10 0.10 20 0.10 30 0.15 40 0.45

Let x be the random variable with the following distribution

Value x of X PO(x=x)\

0 0.05

10 0.10

20 0.10

30 0.15

40 0.45

50 0.15

Find the expectation E(x) and variance Var (x) of X.

E(x)=

Var(x)=

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