[新聞] 一統計學家破解 刮刮樂彩券密碼
加拿大的一位統計學家,找出當地發行的一種刮刮樂彩券的破解秘方,在還沒有刮開彩票
之前,就可以預知是否中獎,中獎率是90%以上。不過這位破解者並未藉此大賺一票,而
是去告訴了彩券發行公司,這家公司第二天就撤銷了那種彩票的銷售,並修改了製造時的
演算法則。
斯利瓦斯塔瓦先生,是一名地質統計學家,擁有麻省理工學院和史丹福大學學士學位,主
要工作是發掘潛在金礦,並測定其中的含金量。長期的統計學訓練,使他很擅長分析數字
和發掘數字中可能存在的規律。有天朋友送他兩張刮刮樂彩票,使他開始琢磨找出其中奧
妙。
他說,彩票號碼其實就像金礦的樣本一樣,看起來是隨機的,但就像金子被切割開之後一
樣,其實是有規律存在的。這些彩票是大量生產製造的,電腦不能夠隨意編列號碼,因為
彩票公司必須控制中獎率,因此看似乎隨機排列的號碼,其實都是經過精心計算。
他認定這種彩票存在致命弱點,絕對可以破解。他說,這些數字本身毫無意義,但是它們
是否重復出現卻洩露了天機。他比較彩票下角的編號,和上角的隱藏編號,以及那種彩票
中間數字格的某個不重復的數字,如果這三個編號連成一條直線,就有可能中獎。
http://tw.news.yahoo.com/article/url/d/a/110216/1/2mixe.html
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