¿Se ha preguntado alguna vez lo que significa 99.9%?
September 7, 2009admin No Comments »“When it comes to quality, 99.9% just isn’t good enough.” Is 99.9% a reasonable goal? What does it mean? If all things in life were done right 99.9% of the time, this is what we would have to accept: 1 hour of unsafe drinking water every month. 2 unsafe plane landings per day at O’Hare [...]