Téori probabilitas: Béda antarrépisi
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The probability that an event <math>E</math> occurs ''given'' the known occurrence of an event <math>F</math> is the '''[[conditional probability]]''' of <math>E</math> '''given''' <math>F</math>; its numerical value is <math>P(E \cap F)/P(F)</math> (as long as <math>P(F)</math> is nonzero). If the conditional probability of <math>E</math> given <math>F</math> is the same as the ("unconditional") probability of <math>E</math>, then <math>E</math> and <math>F</math> are said to be [[statistical independence|independent]] events. That this relation between <math>E</math> and <math>F</math> is symmetric may be seen more readily by realizing that it is the same as saying |
The probability that an event <math>E</math> occurs ''given'' the known occurrence of an event <math>F</math> is the '''[[conditional probability]]''' of <math>E</math> '''given''' <math>F</math>; its numerical value is <math>P(E \cap F)/P(F)</math> (as long as <math>P(F)</math> is nonzero). If the conditional probability of <math>E</math> given <math>F</math> is the same as the ("unconditional") probability of <math>E</math>, then <math>E</math> and <math>F</math> are said to be [[statistical independence|independent]] events. That this relation between <math>E</math> and <math>F</math> is symmetric may be seen more readily by realizing that it is the same as saying |
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<math>P(E \cap F) = P(E)P(F)</math>. |
<math>P(E \cap F) = P(E)P(F)</math>. |
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*[[List of publications in statistics]] |
*[[List of publications in statistics]] |
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[[Kategori:Téori probabilitas]] |
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[[bg:Теория на вероятностите]] |
[[bg:Теория на вероятностите]] |
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[[de:Wahrscheinlichkeitstheorie]] |
[[de:Wahrscheinlichkeitstheorie]] |
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[[eo:Teorio de Probabloj]] |
[[eo:Teorio de Probabloj]] |
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[[es:Probabilidad]] |
[[es:Probabilidad]] |
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Révisi nurutkeun 15 Pébruari 2006 06.11
Téori probabilitas ngarupakeun élmu matematik ngeunaan probabilitas atawa kamungkinan.
Matematikawan mikirkeun yen probabiliti salaku angka dina interval tina 0 ka 1 keur nangtukeun "kajadian" numana bener-bener kajadian atawa henteu kajadian dina bentuk acak. Probabilitas nangtukeun kajdian dumasa kana aksioma probabilitas.
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Artikel ieu mangrupa taratas, perlu disampurnakeun. Upami sadérék uninga langkung paos perkawis ieu, dihaturan kanggo ngalengkepan. |