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标题: 扔硬币 [打印本页]

作者: ob    时间: 2005-5-6 04:41
标题: 扔硬币

你连续扔了十次硬币,每次掉在桌面上都正面朝上。现在,假设一切情况照旧,第十一次扔硬币,正面朝上的可能性是多少?
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作者: 匿名    时间: 2005-5-6 05:11
标题: 回复:扔硬币

50%www.ddhw.com

 

作者: 乱弹    时间: 2005-5-6 23:04
标题: 回复:扔硬币

I thought this problem could cause a lot of discussions...
Where are the experts in statistics?
Is the coin even? If it is, then the answer is certainly simple. But what if we do not know? 
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作者: yma16    时间: 2005-5-7 01:36
标题: 回复:扔硬币

From the information, we can guess the head has better chance.
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作者: 匿名    时间: 2005-5-9 20:22
标题: 99.9%

  99.9%









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