stochastic event

[/stəˈkæstɪk ɪˈvɛnt/]
nounpl: stochastic events
evento estocástico
1. An event or outcome whose occurrence is governed by probability and randomness rather than deterministic laws; an event whose result cannot be predicted with certainty but can be described by a probability distribution.
The radioactive decay of a nucleus is a stochastic event that follows a predictable probability distribution.
O decaimento radioativo de um núcleo é um evento estocástico que segue uma distribuição de probabilidade previsível.
2. In mathematics and statistics, an event that is part of a stochastic process where outcomes depend on random variables.
In weather forecasting, precipitation occurrence is often modeled as a stochastic event.
Na previsão meteorológica, a ocorrência de precipitação é frequentemente modelada como um evento estocástico.
The term 'stochastic event' is primarily used in academic, scientific, and technical contexts in both Brazil and the USA. It is particularly important in fields such as physics, engineering, statistics, finance, and machine learning. In Brazilian universities, both 'evento estocástico' and 'evento aleatório' are acceptable, though the former is more precise in technical literature. The concept reflects modern scientific understanding that many natural phenomena are fundamentally probabilistic rather than completely deterministic.
Synonyms / Sinônimos
random eventprobabilistic eventchance eventaleatory event
Antonyms / Antônimos
deterministic eventcertain eventinevitable event

Regional Variations

General Brazilian Portuguese
evento estocástico
Standard term used in academic and technical contexts
Portugal
evento estocástico
Same as Brazilian Portuguese; used in scientific literature
Technical/Academic
evento aleatório
Alternative translation emphasizing the random nature; commonly used in statistics courses

Related Words

stochastic processprobability distributionrandom variableuncertaintyrandomnessMonte Carlo simulation

Related Idioms & Phrases

roll the dice - to engage with stochastic outcomes
in the hands of fate - describing the unpredictability of stochastic events
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