Determining the range within which a true value is expected to lie is a fundamental concept in various disciplines. This process involves establishing a maximum and minimum possible value based on available data and known uncertainties. For example, when measuring the length of an object with a tool that has a specified level of precision, the measurement result will have an associated upper and lower limit, accounting for potential errors in reading the instrument.
The utility of defining these limits is significant across fields such as engineering, statistics, and computer science. Establishing these boundaries allows for a better understanding of the potential variability in a result, and can contribute to more robust decision-making and risk assessment. Historically, this approach has been instrumental in ensuring safety margins in structural design and evaluating the reliability of data processing systems.