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Letbe a random variable with the following probability distribution. Valueof x of X / P(X=x) 0 / 0.35 1 / 0.20 2 / 0.10 3
Letbe a random variable with the following probability distribution.
Valueof x of X / P(X=x)
0 / 0.35
1 / 0.20
2 / 0.10
3 / 0.05
4 / 0.15
5 / 0.15
Complete the following. (If necessary, consult a list of formulas.)
(a) Find the expectationof E (X) of X.
E(X) = _______
(b) Find the variance Var (X) of X.
Var(X)=________
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