Let X be a random variable with the following probability distribution. Value x of X P(X=x) 2 0.05 3 0.05 4 0.05 5 0.85 Complete the following. (If necessary, consult a list of formulas.) (a) Find the expectation E(X) of X. E (X) = 0 (b) Find the variance Var(X) of X. Var(x) = ☐ Check B X G

MATLAB: An Introduction with Applications
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Let X be a random variable with the following probability distribution.
Value x of X P(X=x)
2
0.05
3
0.05
4
0.05
5
0.85
Complete the following. (If necessary, consult a list of formulas.)
(a) Find the expectation E(X) of X.
E (X) = 0
(b) Find the variance Var(X) of X.
Var(x) = ☐
Check
B
X
G
Transcribed Image Text:Let X be a random variable with the following probability distribution. Value x of X P(X=x) 2 0.05 3 0.05 4 0.05 5 0.85 Complete the following. (If necessary, consult a list of formulas.) (a) Find the expectation E(X) of X. E (X) = 0 (b) Find the variance Var(X) of X. Var(x) = ☐ Check B X G
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