Предмет: Математика, автор: Emchik111

На экзамене 30 билетов, Ваня не выучил 14. Найдите вероятность того, что ему попадется выученный билет.

Ответы

Автор ответа: Lemrhk

Так как на экзамене 30билетов, а невыучил 14⇔

30-14=16-выучен.билетов

Вероятность того, что ему попадется выученный билет равен 16/30 или 8/15..

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