The German Tank Problem is one example of this. The Allies estimated how many tanks Germany was producing based on the serial numbers, and this gave a closer r

The German Tank Problem is one example of this. The Allies estimated how many tanks Germany was producing based on the serial numbers, and this gave a closer result compared to other intelligence sources. https://en.wikipedia.org/wiki/German_tank_problem https://en.wikipedia.org/wiki/German_tank_problem