The 'Survivorship Bias'.
Can you solve this puzzle? Observing the most commonly shot areas on an aircraft, how would you innovate this design to improve survival rates? During World War II, engineers considered how to minimize aircraft losses to enemy fire and would examine the damage to aircraft that had returned from missions. To many it seemed logical to reinforce the aircraft where the most damage had been incurred. However, a statistician, Abraham Wald, recommended adding armour to the areas tha