回复：The failure probability=10.24%

来源: 于 2005-01-24 16:46:21 [旧帖] [给我悄悄话] 本文已被阅读：次

You are right. If the path contains some line, which crosses the circle at two points, there are some failure. Need to draw a tangent from E ... CritcalQ already give a solution.