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27.07.2021 •
Mathematics
Điểm thi TOEIC của sinh viên năm cuối của một trường đại học là biến ngẫu nhiên có phân phối chuẩn với giá trị trung bình là 600 điểm và độ lệch chuẩn là 50 điểm. Tỷ lệ sinh viên đạt dưới 550 điểm bằng:(kết quả làm tròn đến chữ số thập phân thứ 4)
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Answers on questions: Mathematics
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Ответ:
-3, -2.4, -2 1/4, -1.5, -1 1/8
Step-by-step explanation: