Let X be a random variable with the following probability distribution.Value x of X P(X=x)-2-101230.150.150.150.300.200.05Complete 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) =X3

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Answered: Let X be a random variable with the…

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) -2 -1 0 1 2 3 0.15 0.15 0.15 0.30 0.20 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) = X 5