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Mathematics, 16.06.2021 01:00 prettyboytony4738

Chọn ngẫu nhiên 50 sinh viên của một trường đại học thì có thấy 21 nữ. Hãy ước lượng tỉ lệ nữ ở trường đại học đó với độ tin cậy 95%

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Chọn ngẫu nhiên 50 sinh viên của một trường đại học thì có thấy 21 nữ. Hãy ước lượng tỉ lệ nữ ở trườ...
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