
The median age of countries is used to predict the future needs of each country. What are the ramifications of a predominately young population or a predominantly older population, Why do scientists use the median measurement to study this?
Rich Strike surprised everyone at the Kentucky Derby horse race in early May by moving from 18th place at the half-way mark (out of 20 horses) to winning the race. Churchill Downs, the track in Kentucky where the race took place, paid out $81 for every dollar that was bet for Rich Strike to win. How do they figure that?