Complete the following. (If necessary, consult a list of formulas.) (a) Find the expectation E (X) of X. E (X) = [] (b) Find the variance Var(X) of X. Var(X) = X Ś

MATLAB: An Introduction with Applications
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ISBN:9781119256830
Author:Amos Gilat
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Chapter1: Starting With Matlab
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Let X be a random variable with the following probability distribution.
Value x of XP (X=x)
40 *
50
60
70
80
90
0.05
0.20
0.10
0.10
0.20
0.35
Complete the following. (If necessary, consult a list of formulas.)
(a) Find the expectation E (X) of X.
E(X) = []
(b) Find the variance Var(X) of X.
Var(X) =
X
Transcribed Image Text:Let X be a random variable with the following probability distribution. Value x of XP (X=x) 40 * 50 60 70 80 90 0.05 0.20 0.10 0.10 0.20 0.35 Complete the following. (If necessary, consult a list of formulas.) (a) Find the expectation E (X) of X. E(X) = [] (b) Find the variance Var(X) of X. Var(X) = X
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