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Mathematics, 15.06.2021 04:50 christopherluckey7

Hộp 1 có 10 sản phẩm tốt, 2 bị hỏng, hộp 2 có 20 sản phẩm tốt, 4 bị hỏng. Từ hộp 1 lấy ra 1 sản phẩm bỏ qua hộp 2, sau đó từ hộp 2 lấy ra 1 sản phẩm. a) Tính năng xuất từ ​​hộp 2 là hỏng
b) Nếu sản phẩm từ hộp 2 là bị hỏng, thì tính năng xuất sản phẩm từ hộp 2 là tốt

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Hộp 1 có 10 sản phẩm tốt, 2 bị hỏng, hộp 2 có 20 sản phẩm tốt, 4 bị hỏng. Từ hộp 1 lấy ra 1 sản phẩm...
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