Given that the random viriable X has mean = 90 and SD e= 15, find the mean and SD of each of the following random variables that are defined from X.(a) X/3(b) 2X - 40(c) X+7(d) X-X(Simplify your answers.)

Answered: Image /qna-images/answer/413742d0-f2f9-4ef0-ba57-56c566de1b17.jpg

Answered: Given that the random viriable X has…

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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Given that the random viriable X has mean µ = 90 and SD e= 15, find the mean and SD of each of the following random variables that are defined from X. (a) X/3 (b) 2X-40 (c) X+7 (d) X-X (Simplify your answers.)