作者celestialgod (攸蓝)
看板Statistics
标题[问题] 硬币问题
时间Wed Jan 26 14:02:47 2011
A coin, having probability p of landing heads, is continually flipped until
at least two head and one tail have been flipped. Find the expected number od
flips needed.
请版上大大帮忙解题 谢谢><
--
※ 发信站: 批踢踢实业坊(ptt.cc)
◆ From: 140.116.182.193
1F：→ ericinttu:机率? 统计? 01/26 14:07