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发表于 2018-5-10 11:02
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'Lucky' woman who won lottery four times outed as Stanford University statistics PhD 0 G' y$ G1 ^' B: y
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She was called the luckiest woman in the world.1 g1 g! L# e0 ~
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But now that luck is being called into question by some who think that winning the lottery four times is more than just a coincidental spell of good fortune.- N" `, {. |& P# s+ Y+ Q% P1 _
% K: p# s6 T, j1 F1 W2 D( {8 {Joan R. Ginther, 63, from Texas, won multiple million dollar payouts each time.8 L: D! `, r! _5 @
9 n$ o6 [! \8 x/ {/ I' m, WFirst, she won $5.4 million, then a decade later, she won $2million, then two years later $3million and in the summer of 2010, she hit a $10million jackpot.
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The odds of this has been calculated at one in eighteen septillion and luck like this could only come once every quadrillion years.0 p2 z0 b% O, E: e+ F& K# `
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Harper's reporter Nathanial Rich recently wrote an article about Ms Ginther, which calls the the validity of her 'luck' into question.
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6 P2 Z. w8 n2 s( g( u( j, XFirst, he points out, Ms Ginther is a former math professor with a PhD from Stanford University specialising in statistics." p* I3 n3 ^# T# ?2 O: G4 }
' Y/ [, g# c- {5 ~, m* zA professor at the Institute for the Study of Gambling & Commercial Gaming at the University of Nevada, Reno, told Mr Rich: 'When something this unlikely happens in a casino, you arrest ‘em first and ask questions later.'& G# m, ?% t6 T5 h
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