Simplify

来源: 于 2010-06-25 09:28:55 [旧帖] [给我悄悄话] 本文已被阅读：次

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.