Question: Let X be a random variable with the following probability distribution: Value x of X P(X=x) -30 0.65 -20 0.05 -10 0.25 0 0.05 Find

Let X be a random variable with the following probability distribution:

Value x of X

P(X=x)

-30

0.65

-20

0.05

-10

0.25

0

0.05

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

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