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littleegg (爱吃茶叶蛋) 于 (Wed Jul 9 09:09:24 2008) 提到:
what is the expected number of random numbers, uniformally distributed from
0 to 1 needed for the sum to be greater than 1?
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JackSheng (重新振作) 于 (Wed Jul 9 09:33:23 2008) 提到:
e
from
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littleegg (爱吃茶叶蛋) 于 (Wed Jul 9 10:05:01 2008) 提到:
but sum(n*P(N=n)) does not seem to be a finite number. not e either!
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