Let X be a random variable with the following probability distribution. Value x of X P(X=x) 10 0.30 20 0.45 30 0.15 40 0.05 50 0.05 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)
Let X be a random variable with the following probability distribution. Value x of X P(X=x) 10 0.30 20 0.45 30 0.15 40 0.05 50 0.05 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)
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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![Let X be a random variable with the following probability distribution.
Value x of X
P(X=x)
10
0.30
20
0.45
30
0.15
40
0.05
50
0.05
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) = D](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fe17a999b-a7db-49d7-b1d3-602b036c3370%2F990e843e-2a47-44ce-ab2e-b33efe81fef2%2F0cinypf_processed.png&w=3840&q=75)
Transcribed Image Text:Let X be a random variable with the following probability distribution.
Value x of X
P(X=x)
10
0.30
20
0.45
30
0.15
40
0.05
50
0.05
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) = D
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