"birthday paradox" meaning in English

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        "The counterintuitive observation that a random group of people needs to have only 23 members before there is a 50% chance of two of them having the same birthday."
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        "(probability theory) The counterintuitive observation that a random group of people needs to have only 23 members before there is a 50% chance of two of them having the same birthday."
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          "word": "birthday problem"
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        {
          "code": "fi",
          "lang": "Finnish",
          "sense": "mathematical observation",
          "word": "syntymäpäiväparadoksi"
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          "sense": "mathematical observation",
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          "word": "Geburtstagsparadoxon"
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          "lang": "Portuguese",
          "sense": "mathematical observation",
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            "masculine"
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          "word": "paradoxo do aniversário"
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        "The counterintuitive observation that a random group of people needs to have only 23 members before there is a 50% chance of two of them having the same birthday."
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        "(probability theory) The counterintuitive observation that a random group of people needs to have only 23 members before there is a 50% chance of two of them having the same birthday."
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      "code": "fi",
      "lang": "Finnish",
      "sense": "mathematical observation",
      "word": "syntymäpäiväparadoksi"
    },
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      "sense": "mathematical observation",
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  "word": "birthday paradox"
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