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Sūgakuteki Ni Arienai: 1
 
by
Adam Fawer
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Sūgakuteki Ni Arienai: 1

4.5 of 5 stars 4.50  ·  rating details  ·  4 ratings  ·  1 review
362 pages
Published 2009 by Bungei Shunjū (first published August 2006)
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Hitomi
ロトみたいな1000万ドルの宝くじに当たる確率は、だいたい1億2千万分の1。1ドルでくじを買った時の期待値は、あたる確率に賞金額を掛けたもの+はずれる確率にゼロを掛けたもの。
期待値(ロト)=確率(あたり)x賞金額+確率(はずれ)x0ドル=(1/120000000)x(10000000ドル)+(119999999/120000000)x(0ドル)=0.083ドル
コストが、期待値を大きく上回ってるから、ロトを買うのは、バカみたい。でも、賞金が、1億2千万ドルを超えると、期待値も1ドルを超えるから、買ってもよろしい。
Ahmet Yılmaz Kaya
Ahmet Yılmaz Kaya marked it as to-read
Jun 21, 2014
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Adam Fawer (born 1970 in New York City) is an American Novelist. Improbable, his first novel, has been translated into more than five languages and won the 2006 International Thriller Writers Award for best first novel. His second novel, Empathy, has been published in 2008 in German, Japanese and Turkish.

Fawer holds undergraduate and master's degrees from the University of Pennsylvania and receive...more
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Improbable Empati Sūgakuteki Ni Arienai: 2

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