Предмет: Математика, автор: nastya00167

станок на каждой 4 детали допускает брак.за час была изготовлена партия из 26 деталей.какова вероятность того ,что из 8 деталей ,взятых наугад из этой партии,половина окажется бракованных?

Ответы

Автор ответа: antropovavp

26-8=16 16 16 делим на 4=4 вероятность на п оловину

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