title: Roulette Selection in Genetic Algorithms
body: <p>Can anyone provide some pseudo code for a roulette selection function? How would I implement this:</p>
  
  <p><img src="https://upload.wikimedia.org/math/0/d/2/0d24a82d8e813380f670bf80ae74486b.png" alt="alt text"></p>
  
  <p>I don't really understand how to read this math notation. I never took any probability or statistics.</p>