Simplify

来源: badminton 于 2010-06-25 09:28:55 [] [旧帖] [给我悄悄话] 阅读数 : (156 bytes)

Suppose if we have only P1 and P2. The probability is 0.5*0.5 = 0.25. Adding other pumps does not provide any more info. Thus the probability is still 0.25.

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