If you only flip a coin to the same side 21 times in a row, it could just be chance! It's only 1 in a million, but at about 10 the same I'd start to figure the

If you only flip a coin to the same side 21 times in a row, it could just be chance! It's only 1 in a million, but at about 10 the same I'd start to figure the coin wasn't fair.