7/8
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回复:7/8
-朱哥靓-
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01/04/2013 postreply
17:21:16
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从连赢前两局应该可以推理出甲方的赢率大于或等于1/2.
-双手互搏-
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01/04/2013 postreply
17:23:23
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Well, 3 trials is not enough to get that conclusion, you have to
-xiaoxing-
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01/04/2013 postreply
17:26:47
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You have to assume that else it is not solvable
-xiaoxing-
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01/04/2013 postreply
17:25:09
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it is solvable if it is given
-朱哥靓-
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01/04/2013 postreply
17:29:36
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Hehe, sure, it can be a number other than 1/2,
-xiaoxing-
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01/04/2013 postreply
17:31:48
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But when nothing is known 1/2 is a fair assumption
-xiaoxing-
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01/04/2013 postreply
17:32:38
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You know the guy win twice straight
-朱哥靓-
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01/04/2013 postreply
17:42:19
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When you flip a coin, you may get 3 heads up in a row,
-xiaoxing-
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01/04/2013 postreply
17:46:44
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Again, u assume it's a fair coin
-朱哥靓-
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01/04/2013 postreply
17:51:54
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the question is if you observe two heads in a row,
-stockganster-
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01/04/2013 postreply
18:39:48
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think this way
-朱哥靓-
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01/04/2013 postreply
18:48:12