Предмет: Математика, автор: alinalovsalina228

В магазине в среднем на каждые 80 качественных наручных часов приходится 12 с дефектаии. Какова вероятность того,что наудачу купленные в этом магазине часы окажутся качественными? Ответ округдите до сотых

Ответы

Автор ответа: альбина168

80+12=92
80÷92=0.87
такой ответ

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