And then there are *lots* of people who do not understand probabilities, chance or statistics at all
Statistics are one thing, probabilities are another thing, and it looks like at least Dragar and chrispedersen have some issues understanding the difference
You might want to pick up your maths books again
*If* (notice the word if, it is there for a reason
) something would be presumed to have a 99% chance to happen, then there is 21.4% (ie 1-(.99^24)x100%) chance that at least one in twenty-four would fail. Statistics could then be used afterwards to prove the assumption to be correct or false (within the limits of statistical means, of course
).