| 释义 | 
		Definition of probability theory in English: probability theorynoun mass nounThe branch of mathematics that deals with quantities having random distributions.  Example sentencesExamples -  I was appointed Professor of Mathematics to raise the profile of probability theory (but not statistics) in the Faculty of Mathematics.
 -  The mathematical concepts of set theory or even probability theory are useful tools for logically and thoroughly analyzing the outcome of an election.
 -  At that time, few mathematicians regarded probability theory as an authentic mathematical field, in the same strict sense that they regarded differential and integral calculus.
 -  Her work at this time was on statistics, in particular probability theory, and also on the mathematical theory of plasticity.
 -  His main research topics were number theory, probability theory and mathematical statistics.
 
    Definition of probability theory in US English: probability theorynoun The branch of mathematics that deals with quantities having random distributions.  Example sentencesExamples -  The mathematical concepts of set theory or even probability theory are useful tools for logically and thoroughly analyzing the outcome of an election.
 -  At that time, few mathematicians regarded probability theory as an authentic mathematical field, in the same strict sense that they regarded differential and integral calculus.
 -  Her work at this time was on statistics, in particular probability theory, and also on the mathematical theory of plasticity.
 -  His main research topics were number theory, probability theory and mathematical statistics.
 -  I was appointed Professor of Mathematics to raise the profile of probability theory (but not statistics) in the Faculty of Mathematics.
 
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