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Mathematics, 29.06.2021 21:50 msdmdsm7925

Điều tra sinh viên tại 1 trường đại học thấy tỷ lệ đi làm thêm là 80%. Tỷ lệ sinh viên có kết quả học tập tốt là 30%, nếu đi làm thêm thì khả năng có kết quả học tập tốt là 20%. Hỏi nếu sinh viên trường đó không đi làm thêm thì kết qủa học tập tốt là bao nhiêu

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Điều tra sinh viên tại 1 trường đại học thấy tỷ lệ đi làm thêm là 80%. Tỷ lệ sinh viên có kết quả họ...
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