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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 ' F. G' V! }3 ?1 ^
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She was called the luckiest woman in the world.2 }6 r5 X9 e- p( ?
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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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$ o8 N. X$ f8 U9 J- y/ p7 aFirst, 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 $10million jackpot.3 \: C, D, I+ w$ A! m
: V8 n. J2 s# V$ }- p" p' Q. ?The odds of this has been calculated at one in eighteen septillion and luck like this could only come once every quadrillion years.1 X: ^6 J0 ~) u9 L8 r1 @( M9 M& R
5 X3 N$ y0 G0 a9 S, UHarper'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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First, he points out, Ms Ginther is a former math professor with a PhD from Stanford University specialising in statistics.
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A 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.'& Q5 @5 J# P$ |' h8 f5 ^
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