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Mathematics, 08.12.2021 04:20 aliami0306oyaj0n

Biết điểm rèn luyện (thang điểm 100) của các sinh viên trong trường ĐHCT tuân theo luật phân phối chuẩn với trung bình là 75 và độ lệch chuẩn là 7. Những sinh viên có điểm rèn luyện từ 80 trở lên được xem là những sinh viên hoạt động tích cực. Tính tỷ lệ sinh viên hoạt động tích cực của trường.

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Biết điểm rèn luyện (thang điểm 100) của các sinh viên trong trường ĐHCT tuân theo luật phân phối ch...
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