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[問題] 請問費雪是經濟學家還是統計學家？

[ Statistics ]6 留言, 推噓總分: +1

作者: LabaHowDa - 發表於 2010/05/14 15:04(15年前)

1^F推ytyty:我想到NBA= ="05/14 15:10

[問題] 抽球的機率問題

[ Statistics ]5 留言, 推噓總分: +1

作者: applewu - 發表於 2010/04/22 22:51(15年前)

1^F推ytyty:P(前K-1次取到非紅球，第K次取到紅球)=(q+r)/N^(K-1)*(p/N)04/22 23:22

2^F→ytyty:寫錯= = 應該是[(q+r)/N]^(K-1)*(p/N)=p*(q+r)^(K-1)/N^K04/22 23:25

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