送交者: wasguru 于 2005-10-17, 17:39:17:
回答: 我来算算被撞的概率。 由 Enlighten 于 2005-10-17, 14:17:44:
Assuming 2 sigma = 1 km, the probability of hitting an area of 10 m^2 at the center will be 0.5%. That's 500 times larger, should they 躲远点 now?
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