> That means that 96% are guilty. That's beyond a reasonable doubt and probably not far from the best accuracy you can expect from an inherently fuzzy system.

> That means that 96% are guilty. That's beyond a reasonable doubt and probably not far from the best accuracy you can expect from an inherently fuzzy system. 4% is not beyond reasonable, it is still in the quite plausible territory. 0.0000000001% is beyond reasonable. (And with 7, 000, 000, 000 on the planet and the birthday paradox, even that)