Предмет: Алгебра, автор: deepinssss

2. На деревообрабатывающем комбинате 20% произведенных столярных изделий имеют дефект. При контроле качества продукции выявляется 60% дефектных изделий. Остальные столярные изделия поступают в продажу. Найдите вероятность того, что случайно выбранное при покупке изделие не имеет дефектов. Ответ округлите до сотых.​

Ответы

Автор ответа: fleksmaster228
3

Ответ:

Всего 100%

С дефектом-20%

С выявленным дефектом - 60%

20*0,6=12%

20-12=8%

n=100-12=88%

m=88-8=80%

P=m/n=80/88=0,909=0,91


fleksmaster228: это правильно!!!!!!
lop90lol90: точно???
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