推 Aweather :窮舉就可以了 01/26 18:34
窮舉?可以簡述一下過程嗎?
※ 編輯: celestialgod 來自: 140.116.130.213 (01/26 19:43)
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.
請版上大大幫忙解題 謝謝><
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