Right. A system can function at (effectively) 100% correctness being composed of... | Hacker News

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AdamJacobMuller on March 13, 2017 | parent | context | favorite | on: Troubled covert agency responsible for trucking nu...

Right. A system can function at (effectively) 100% correctness being composed of individuals who are not 100% perfect (because nobody is).

If 1 person is 99.99% correct, how correct are 3 people when consensus is required to make a decision? 5? Its just math.

eutectic on March 13, 2017 [–]

You can only 'do the math' if you assume uncorrelated errors and no unanticipated or emergent failure modes.

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