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Mathematics, 08.11.2021 19:20 jetblackcap
Kiểm tra ngẫu nhiên 100 sản phẩm do một nhà máy sản xuất, người ta thấy có 12 phế phẩm. a. Với độ tin cậy là 95%, bạn hãy ước lượng tỷ lệ phế phẩm của nhà máy đó. b. Nếu muốn độ chính xác là 0,03 thì cần phải lấy tối thiểu bao nhiêu sản phẩm để kiểm tra?
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Kiểm tra ngẫu nhiên 100 sản phẩm do một nhà máy sản xuất, người ta thấy có 12 phế phẩm. a. Với độ ti...
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