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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), a: K, l; Z' ?+ n% ~& T- H$ [
https://www.google.ca/search?sxs ... &sclient=psy-ab
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( ?+ {. m. T. B9 ZRockland County COVID-19 cases 9,699 by April 22
8 ^+ u5 I1 i% n. N5 f* U4 r. ^https://www.lohud.com/story/news ... dnesday/3002554001/
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0 M' S, Q) @1 C5 P4 W! H: [9699 / 325789 = 2.98% !
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- |+ p3 @ G0 _' E! \2 {0 U' YHow to Get Rid of Bats in the Attic A$ s% @9 {& M* C) V
http://www.wildlifeanimalcontrol.com/bats.html
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7 {8 D- w V* N) L# z% l$ I补充内容 (2020-4-22 23:04):
# L6 ?. n* M0 @) u6 wThere have been 23,150 tests performed here (Rockland County), with a 41.9% rate of positives.+ u" y2 G4 d. _, M# P/ x' }
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