Let X' be a random variable with the following probability distribution.Value x of XP(X=x)-30-20-100100.150.100.050.300.40Complete the following. (If necessary, consult a list of formulas.)(a) Find the expectation E (X) of X.(b) Find the variance Var(X) of X.Var (x) - 216

let X be a random variable with the following probability distribution.

Answered: et 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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et X be a random variable with the following probability distribution. Valuex of X P(X=x) -30 -20 -10 0 10 0.15 0.10 0.05 0.30 0.40 Complete the following. (If necessary, consult a list of formulas.) (a) Find the expectation E(X) of X. E(X)-4 (b) Find the variance Var(x) of X. Var (x)-216