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转一篇从数理统计角度关于病毒起源的分析
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Rockland County population 325,789 (2019)
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/ V" Z0 j# g& b2 A/ y" IRockland County COVID-19 cases 9,699 by April 22
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9699 / 325789 = 2.98% !! Y" q/ Y, i, p: ~6 Q
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How to Get Rid of Bats in the Attic
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+ r% U: p# U& ^& S ~+ `补充内容 (2020-4-22 23:04):
, |, d' n8 `, X4 p3 Y" fThere have been 23,150 tests performed here (Rockland County), with a 41.9% rate of positives.
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