回复：Strategy

来源: 雪山飞鱼 于 2009-07-18 10:47:47 [] [旧帖] [给我悄悄话] 阅读数 : (169 bytes)
回答: Quant 面试题:梯子 由 康MM 于 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： 

• 的确当时没细想。不过， -Commentate- ♂ 给 Commentate 发送悄悄话 (136 bytes) () 07/18/2009 postreply 15:20:43

• 解释一下我的想法 -雪山飞鱼- ♂ 给 雪山飞鱼 发送悄悄话 (479 bytes) () 07/18/2009 postreply 16:11:32

• 不是很明白 -Commentate- ♂ 给 Commentate 发送悄悄话 (259 bytes) () 07/18/2009 postreply 18:31:39

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