Let X be a random variable with the following probability distribution.Value x of XP(X=x)|-200.30-100.150.30100.20200.05Complete 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) = 0

Let X be the random variable having probability distribution is, X -20 -10 0 10 20 P(X=x)…

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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Exercise(3): If the mean and variance of a binomial distribution are 9 and 6 respectively, then find: (1) The probability mass function P(x = k) (2) P(x=3) (3) P(x>1)
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Let X be a random variable with the following probability distribution. Value x of X P(X=x) -20 0.30 -10 0.15 0.30 10 0.20 20 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) = ]