Mathematics, 22.07.2021 14:00 yolo1171
Tiến hành khảo sát mẫu trẻ em. tính được khoảng tinh cậy 95% cho tỷ lệ trẻ em béo phì là từ 20% đến 30%. khi đó giá trị độ chính xác cho ước lượng tỷ lệ trẻ em béo phì là
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Tiến hành khảo sát mẫu trẻ em. tính được khoảng tinh cậy 95% cho tỷ lệ trẻ em béo phì là từ 20% đến...
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