Probabilistic uncertainty

Japanese: 確率的不確実性 - かくりつてきふかくじつせい
Probabilistic uncertainty


[Type of uncertainty]
The first is the case where it is not possible to predict with certainty in advance whether the event in question will occur, but the probability of the event occurring is objectively determined and the value of that probability is known in advance. In other words, the uncertainty, i.e., the possibility of the event occurring, can be quantitatively expressed with a known probability or probability distribution, and therefore can be called probabilistic uncertainty. The second is the case where it is impossible to express the nature or degree of uncertainty in the problem using known probabilities.

*Some of the terminology used to refer to "probabilistic uncertainty" is listed below.

Source | Heibonsha World Encyclopedia 2nd Edition | Information

Japanese:


[不確実性のタイプ]
 第1は,問題の事象がおこるかどうか,前もって確実に予見することはできないが,その事象がおこる確率は客観的に確定していて,しかもその確率の値が事前にわかっている,というケースである。すなわちその不確実性,すなわちその事象のおこる可能性が既知の確率もしくは確率分布をもって定量的に表しうるような状況,したがって確率的不確実性と呼びうるケースである。第2は,問題の不確実性の在り方,程度を既知の確率を使って表現することが不可能であるようなケースである。…

※「確率的不確実性」について言及している用語解説の一部を掲載しています。

出典|株式会社平凡社世界大百科事典 第2版について | 情報

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