allowance, approximation, deviation, frequency curve, frequency distribution, game theory, imprecision, inaccuracy, inaccurateness, incorrectness, inexactitude, inexactness, laxity, looseness, mathematical probability, negligence, operations research, predictability, predictable error, probability theory, probable error, quantum mechanics, statistical mechanics, statistical probability, statistics, tolerance, uncertainty principle, uncorrectness, unfactualness, unpreciseness, unrigorousness