exercise:2aa4fcb3db: 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> Pick a point <math>x</math> at random (with uniform density) in the interval <math>[0,1]</math>. Find the probability that <math>x > 1/2</math>, given that <ul><li> <math>x > 1/4</math>. </li> <li> <math>x < 3/4</math>. </li> <li> <math>|x...")
 
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<div class="d-none"><math>
Pick a point <math>x</math> at random (with uniform density) in the interval
\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> Pick a point <math>x</math> at random (with uniform density) in the interval
<math>[0,1]</math>.  Find the probability that <math>x  >  1/2</math>, given that
<math>[0,1]</math>.  Find the probability that <math>x  >  1/2</math>, given that
<ul><li> <math>x  >  1/4</math>.
<ul style="list-style-type:lower-alpha"><li> <math>x  >  1/4</math>.
</li>
</li>
<li> <math>x  <  3/4</math>.
<li> <math>x  <  3/4</math>.

Latest revision as of 23:24, 13 June 2024

Pick a point [math]x[/math] at random (with uniform density) in the interval [math][0,1][/math]. Find the probability that [math]x \gt 1/2[/math], given that

  • [math]x \gt 1/4[/math].
  • [math]x \lt 3/4[/math].
  • [math]|x - 1/2| \lt 1/4[/math].
  • [math]x^2 - x + 2/9 \lt 0[/math].