{
  "aliases": [
    "expectation",
    "mean",
    "expected-value-of-random-variable",
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  ],
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  "body": "\n## Summary\n\nThe expected value of a random variable is its average value, where each value has a weight equal to its probability.\nThe node [[expected value|0DCT0QZVQ1]] gives the precise definition.\n",
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  "msc": [
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  "name": "Expected value",
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