Mathematics, 27.07.2021 06:40 olivernolasco23
Một nhà chính trị tiến hành khảo sát ngẫu nhiên 400 cử tri thì thấy có 167 cử tri ủng hộ ứng cử viên A. Với độ tin cậy 95% hãy ước lượng khoảng cho tỷ lệ cử tri ủng hộ ứng cử viên A.
Answers: 1
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Một nhà chính trị tiến hành khảo sát ngẫu nhiên 400 cử tri thì thấy có 167 cử tri ủng hộ ứng cử viên...
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