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среди изготовляемых рабочим деталей в среднем 4% брака .Какого вероятность того, что среди взятых на испытание 5 деталей не найдется ни одной бракованной
Ответы 1
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шанс брака 0.04 (4% из 100%)шанс рабочей 1-0.04=0.96вероятность достать 5 рабочих деталей = 0.96*0.96*0.96*0.96*0.96=0.815=0.82Ответ: 0.82
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Автор:
cubbyaiuc - 6 лет назад
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