Revision as of 03:24, 9 June 2024 by Bot (Created page with "<div class="d-none"><math> \newcommand{\NA}{{\rm NA}} \newcommand{\mat}[1]{{\bf#1}} \newcommand{\exref}[1]{\ref{##1}} \newcommand{\secstoprocess}{\all} \newcommand{\NA}{{\rm NA}} \newcommand{\mathds}{\mathbb}</math></div> A random variable <math>X</math> has the distribution <math display="block"> p_X = \pmatrix{ 0 & 1 & 2 & 4 \cr 1/3 & 1/3 & 1/6 & 1/6 \cr}\ . </math> Find the expected value, variance, and standard deviation of <math>X</math>.")
BBy Bot
Jun 09'24
Exercise
[math]
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A random variable [math]X[/math] has the distribution
[[math]]
p_X = \pmatrix{ 0 & 1 & 2 & 4 \cr 1/3 & 1/3 & 1/6 & 1/6 \cr}\ .
[[/math]]
Find the expected value, variance, and standard deviation of [math]X[/math].