exercise:Fa291b662d: Difference between revisions
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(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>.") |
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A random variable <math>X</math> has the distribution | |||
<math display="block"> | <math display="block"> | ||
Latest revision as of 21:51, 14 June 2024
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].