距離機率 - 拼圖

By Catherine
at 2009-05-02T23:42
at 2009-05-02T23:42
Table of Contents
一個小小的改編問題, 考考大家
話說52歲的帕索大住在台北, 去年他心血來潮, 去了地球上另一個城市 A, 距離台北一
萬五千公里。今年他手頭有點餘錢, 再去了地球上另一個城市 B, 也距離台北一萬五千
公里。
請問:
城市 A 和 B 的距離在一萬五千公里之內的機率有多少??
(假設A, B 兩點分布位置隨機, 也不限定在陸地上)
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