回複：Strategy

來源: 雪山飛魚 於 2009-07-18 10:47:47 [] [舊帖] [給我悄悄話] 閱讀數 : (169 bytes)
回答: Quant 麵試題:梯子 由 康MM 於 2009-07-16 10:15:00

Your strategy is right, however, the probability of getting the first head on second toss should be (prob = (3/4)*(1/3)) as you have the advantage of changing coins.

所有跟帖： 

• 的確當時沒細想。不過， -Commentate- ♂ 給 Commentate 發送悄悄話 (136 bytes) () 07/18/2009 postreply 15:20:43

• 解釋一下我的想法 -雪山飛魚- ♂ 給 雪山飛魚 發送悄悄話 (479 bytes) () 07/18/2009 postreply 16:11:32

• 不是很明白 -Commentate- ♂ 給 Commentate 發送悄悄話 (259 bytes) () 07/18/2009 postreply 18:31:39

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