1. A selection or choice made randomly without any predetermined criteria or deliberate preference
The lottery uses chance selection to pick the winning numbers.
A loteria usa seleção aleatória para escolher os números vencedores.
2. In research and statistics, a method of choosing samples from a population where each item has an equal probability of being selected
The researcher employed chance selection to ensure an unbiased sample.
O pesquisador usou seleção aleatória para garantir uma amostra imparcial.