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#1 2017-05-17 21:08:36

Registered: 2010-06-20
Posts: 9,276

network solution

hi Den,

It looks like this is a binomial probability question. … ution.html

If p is the probability of one network working, then the probability of exactly M working out of N is


But you would also be happy if more than M are working so you need to add up all Ps from M up to N:

Hope that's what you wanted.  smile


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