but this guy can tell which scratch tickets will pay off by by reading their serial numbers, winning wasn't as improbable as one is led to believe
My elementary school set up a sort of lottery during a yearly festival.
So two classes were tasked with preparing the winning and losing lots for the lottery by writing the kind of price or something like "no win" on little paper squares.
They then folded the paper squares and stapled them shut so you couldn't tell what was written inside.
During the festivities the kids ran a stand were you could buy and draw the lots from a couple of big, open bowls.
Almost all of the prices went to a handful of kids from my class:
A couple of guys from my class drew winning lots for smallish stuff, noticed something that had escaped everyone else, came up with a theory and successfully put their theory to the test by buying more winners.
As 10-year-olds are, they bragged to their best friends about it who then proceeded to buy most of the remaining winners.
Well, the winning and losing lots had been prepared separately and, not thinking about it and lacking the direct comparison, the teachers in charge of the two groups had been unaware that their staplers were loaded with silver- and copper-colored staples respectively.
So by looking at the color of the staples, you were able to pick only winners out of the open bowls.