exercise:D3caa87981: 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 number is chosen at random from the set <math>S = \{-1,0,1\}</math>. Let <math>X</math> be the number chosen. Find the expected value, variance, and standard deviation of <math>X</math>.") |
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A number is chosen at random from the set <math>S = \{-1,0,1\}</math>. Let <math>X</math> be the number chosen. Find the expected value, variance, and standard deviation of <math>X</math>. | |||
Let <math>X</math> be the number chosen. Find the expected value, variance, and standard | |||
deviation of <math>X</math>. | |||
Latest revision as of 20:51, 14 June 2024
A number is chosen at random from the set [math]S = \{-1,0,1\}[/math]. Let [math]X[/math] be the number chosen. Find the expected value, variance, and standard deviation of [math]X[/math].