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pipizhupi (感受希望) 于 (Thu Mar 1 14:50:18 2007) 提到:
one dimensional Random Walk, probability of being at a position
>= m after n steps.
answer=1?? right?
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sinme4 (天空是我家) 于 (Thu Mar 1 14:53:44 2007) 提到:
why 1?
I guess it's 1 - N(m/sqrt(n))
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sudden (mayitbe) 于 (Thu Mar 1 14:59:12 2007) 提到:
do we need to know the min and max here?
