Consider the probability distribution below.xf(x)200.05300.35400.45500.15The expected value is 37. Find the variance of x.Choices:7.8118.5 61342.25

Given data is x f(x) 20 0.05 30 0.35 40 0.45 50 0.15 The expected value is 37

Answered: Consider the probability distribution…

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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x	f(x)
20	0.05
30	0.35
40	0.45
50	0.15

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Consider the probability distribution below. x f(x) 20 0.05 30 0.35 40 0.45 50 0.15 The expected value is 37. Find the variance of x. Choices: 7.81 18.5 61 342.25