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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 ( W1 }* l3 `& A6 `- e& T0 H
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She was called the luckiest woman in the world.8 H, Q2 V T! i
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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.
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Joan R. Ginther, 63, from Texas, won multiple million dollar payouts each time.
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First, 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 $10million jackpot.0 H( F! O- m& ^- e1 x( v; ?
' H, ~; D0 C% z+ A1 Y& R& ^7 wThe odds of this has been calculated at one in eighteen septillion and luck like this could only come once every quadrillion years.5 x0 v" Z: w. Z! k# Z& z- T
: a3 B0 |% q+ ^/ s+ m% r" OHarper's reporter Nathanial Rich recently wrote an article about Ms Ginther, which calls the the validity of her 'luck' into question.
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, ?( R8 ]2 @6 p* }First, he points out, Ms Ginther is a former math professor with a PhD from Stanford University specialising in statistics.
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$ H- M3 W9 g, V* oA 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.'
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