Предмет: Математика, автор: zilayzilay12

в урне 10 красных, 5 синих и 10 белых шаров. Из урны наудачу вытащили один шар. Найти вероятность появления синего шара.

Ответы

Автор ответа: aliceoliver443

10+5+10= 25 - 100% - все шары
5 синих - 20%
10 красных - 40 %
10 белых - 40 %
вероятность появления синего шара - 20 процентов)

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