The quality of being accidental, random, or unpredictable; often used in statistics, philosophy, and everyday explanations.
競技の結果には偶然性が絡むことがある。
The outcome of a competition can sometimes involve an element of chance.
統計解析では偶然性を考慮して結論を出す必要がある。
In statistical analysis, it's necessary to account for randomness when drawing conclusions.
彼の成功を単なる偶然性だと片付けるのは簡単ではない。
It's not easy to dismiss his success as merely a matter of chance.