This is an extremely convoluted example, in an article that's not clearly written. The example I've seen most often is how Abraham Wald contributed to WW2 comb

This is an extremely convoluted example, in an article that's not clearly written. The example I've seen most often is how Abraham Wald contributed to WW2 combat aircraft survival. [0] [0]http://www.ams.org/publicoutreach/feature-column/fc-2016-06 http://www.ams.org/publicoutreach/feature-column/fc-2016-06