Business, 16.06.2021 18:00 kiaragoodman7117

Để ước lượng trong hồ có bao nhiêu cá, người ta bắt lên 1000 con, đánh dấu, rồi thả trở lại hồ. Một thời gian sau, bắt lên 100 con thì thấy có 80 con có dấu của lần bắt trước . Hãy ước lượng khoảng đối xứng cho số cá có trong hồ với độ tin cậy 95% A. [120; 780]
B. [1138; 1386]
C. [678; 870]
D. [900; 1000]

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Để ước lượng trong hồ có bao nhiêu cá, người ta bắt lên 1000 con, đánh dấu, rồi thả trở lại hồ. Một...

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