Meaning of hypergeometric distribution

hy'per•ge•o•met'ric distribu'tion

Pronunciation: (hī'pur-jē"u-me'trik, hī"-), [key]
— Math. Math.
  1. a system of probabilities associated with finding a specified number of elements, as 5 white balls, from a given number of elements, as 10 balls, chosen from a set containing 2 kinds of elements of known quantity, as 15 white balls and 20 black balls.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.