Предмет: Другие предметы, автор: bizyevakaty95

В урну, содержащую 8 белых и 12 черных шаров, опущен один шар. Найти вероятность того, что извлечен белый шар

помогите пожалуйста :с

Ответы

Автор ответа: anastasiya2111
0
Всего 20 шаров, так как белых 8, то получается 8/20=0.4   или 40%
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