Answered: 9) We assume that X is a random…

9) We assume that X is a random variable with the values 2: 4; 6; 8 and that the distribution isp (2) = p (4) = p (6) = p (8) = 1/4. Then the variance of X isa) 3b) 7c) 4d) none of these

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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Question

9) We assume that X is a random variable with the values 2: 4; 6; 8 and that the distribution is
p (2) = p (4) = p (6) = p (8) = 1/4. Then the variance of X is
a) 3
b) 7
c) 4
d) none of these

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