[機統] 硬幣問題

看板Math作者 (攸藍)時間13年前 (2011/01/26 17:39), 編輯推噓1(100)
留言1則, 1人參與, 最新討論串1/3 (看更多)
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>< -- ※ 發信站: 批踢踢實業坊(ptt.cc) ◆ From: 140.116.130.213

01/26 18:34, , 1F
窮舉就可以了
01/26 18:34, 1F
窮舉?可以簡述一下過程嗎? ※ 編輯: celestialgod 來自: 140.116.130.213 (01/26 19:43)
文章代碼(AID): #1DF-kxfx (Math)
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文章代碼(AID): #1DF-kxfx (Math)