Let X denote the number of VCRs sold during a random week by a certain store. The probability functionof X isf(x)X00.61641 0.09562 0.03543 0.04614 0.2065W|Na) Calculate the expected number of VCRs sold in a random week.E[X] = 1.2307b) Calculate E[4X + 2] = 6.9228xX

xf(x)00.616410.095620.035430.046140.2065

Answered: Let X denote the number of VCRS sold…

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 denote the number of VCRS sold during a random week by a certain store. The probability function of X is x f(x) 0 0.6164 1 0.0956 2 0.0354 3 0.0461 4 0.2065 a) Calculate the expected number of VCRs sold in a random week. E[X] = 1.2307 x b) Calculate E[4X + 2] = 6.9228 X