Mathematics, 17.06.2021 17:40, murillokiara0kiki

Nhà trường muốn đánh giá số giờ tự học của sinh viên trong tuần. Khảo sát 236 sinh viên, thấy có 32 sinh viên chăm học. Nếu muốn phép ước lượng khoảng đối xứng cho tỉ lệ sinh viên chăm học đạt được đọo chính xác là 0,04 với độ tin cậy bê ta= 95% thì cần khảo sát thêm út nhất bao nhiêu sinh viên

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Nhà trường muốn đánh giá số giờ tự học của sinh viên trong tuần. Khảo sát 236 sinh viên, thấy có 32...

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