Предмет: Геометрия, автор: vadimmarchienk

В среднем на 75 карманных фонариков приходится шесть неисправных. Найдите вероятность купить работающий фонарик

Ответы

Автор ответа: Myr4alo

0

75-6=69
69/75=23/25 (сократили первую дробь на 3)
Ответ: 23/25 -вероятность купить работающий фонарик

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