Question 119254
this trend is due to the increasing sample size



if you toss a fair coin 4 times, the ideal is 2 H and 2 T
___ you might get 1 of one and 3 of the other


this represents a percentage difference of 50% from the "expected" outcome
___ (2-1)/2 or (2-3)/2
___ while the actual difference is one H or T
___ this is due to the small size of the sample


toss the same coin 4000 times, and you might get 2010 H and 1990 T
___ the percentage difference from the "expected" is (2010-2000)/2000 or .5%
___ 1/100th of the small sample


at the same time, the actual difference is 10 ___ 10 times the small sample