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Mathematics, 03.08.2021 14:00 imran2k13
Giả sử tỷ lệ bị bệnh X tại 1 thành phố là 2%
1. Khám ngẫu nhiên 822 người tại thành phố này, tính khả năng để có 86 người bị bệnh X.
2. Cần khám tối thiểu bao nhiêu người để khả năng gặp ít nhất 1 người bị bệnh X không ít hơn 82 %?
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Giả sử tỷ lệ bị bệnh X tại 1 thành phố là 2%
1. Khám ngẫu nhiên 822 người tại thành phố này, tính k...
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