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Mathematics, 27.07.2021 14:00 angel213326

Có 2 hộp sản phẩm, Hộp 1 có 9 sản phẩm tốt và 3 sản phẩm xấu, hộp 2 có 7 sản phẩm tốt và 4 sản phẩm xấu. Từ mỗi hộp lấy ra 1 sản phẩm. Xác suất để lấy được 1 sản phẩm tốt và 1 sản phẩm xấu. (kết quả làm tròn đến chữ số thập phân thứ 3)

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Có 2 hộp sản phẩm, Hộp 1 có 9 sản phẩm tốt và 3 sản phẩm xấu, hộp 2 có 7 sản phẩm tốt và 4 sản phẩm...

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