There's a similar story about putting armor on planes during WWII - http://www.johndcook.com/blog/2008/01/21/selection-bias-and-bombers/ http://www.johndcook.co

There's a similar story about putting armor on planes during WWII - http://www.johndcook.com/blog/2008/01/21/selection-bias-and-bombers/ http://www.johndcook.com/blog/2008/01/21/selection-bias-and-...