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Statistics版 - Speaking of chance!!
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t******o
发帖数: 70
1
你信不信有问题?我反正信了...
http://www.dailymail.co.uk/news/article-2023514/Joan-R-Ginther-
University-statistics-PhD.html
'Lucky' woman who won lottery four times outed as Stanford University
statistics PhD
By RACHEL QUIGLEY
Last updated at 7:02 PM on 9th August 2011
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She was called the luckiest woman in the world.
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.
Joan R. Ginther, 63, from Texas, won multiple million dollar payouts each
time.
Lady luck? Joan Ginther has won the Texas lottery four times, but is it
remarkable good fortune or beating the system?
Luck?: Ms Ginther won four lots of vast sums on lottery scratch cards, half
of which were bought at the same mini mart
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.
The odds of this has been calculated at one in eighteen septillion and luck
like this could only come once every quadrillion years.
Harper's reporter Nathanial Rich recently wrote an article about Ms Ginther,
which calls the the validity of her 'luck' into question.
First, he points out, Ms Ginther is a former math professor with a PhD from
Stanford University specialising in statistics.
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.'
Money bags: First, Ms Ginther won $5.4 million, then a decade later, she won
$2 million, then two years later $3 million and finally, in the spring of
2008, she hit a $10 million jackpot
Although Ms Ginther now lives in Las Vegas, she won all four of her
lotteries in Texas.
Three of her wins, all in two-year intervals, were by scratch-off tickets
bought at the same mini mart in the town of Bishop.
Mr Rich details the myriad ways in which Ms Ginther could have gamed the
system - including the fact that she may have figured out the algorithm that
determines where a winner is placed in each run of scratch-off tickets.
He believes that after Ms Ginther figured out the algorithm, it wouldn’t be
difficult to determine where the tickets would be shipped, as the shipping
schedule is apparently fixed, and there were a few sources she could have
found it out from.
According to Forbes, the residents of Bishop, Texas, seem to believe God was
behind it all.
The Texas Lottery Commission told Mr Rich that Ms Ginther must have been '
born under a lucky star', and that they don’t suspect foul play.
Read more: http://www.dailymail.co.uk/news/article-2023514/Joan-R-Ginther-won-lottery-4-times-
Stanford-University-statistics-PhD.html#ixzz1VP095EwJ
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Cutpoint method in survival analysis by Contal and O'Quigley关于predictive概率的疑问
请教, base 123 , if then else用R灌水的终极利器。
SAS题求教[合集] How to plot my two lines in one graph in R?
[合集] Ask two base test questions?求教:没有CS背景,可以学Data Mining吗?
相关话题的讨论汇总
话题: ginther话题: ms话题: won话题: texas话题: she