expected value love


from The American Heritage® Dictionary of the English Language, 4th Edition

  • n. The sum of all possible values for a random variable, each value multiplied by its probability of occurrence.
  • n. The integral of the probability density function and a continuous random variable over its range of values.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. Of a discrete random variable, the sum of the probability of each possible outcome of the experiment multiplied by the outcome value (or payoff).

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • n. the sum of the values of a random variable divided by the number of values


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