From a preprint study posted on the Cornell University open-access archive arXiv in October that was conducted by researchers at more than a dozen European universities.

A group of forty-eight people tossed coins of forty-six different currencies and obtained a total of 350,757 coin flips. We found strong empirical confirmation that when a person flips a coin, it tends to land on the same side as it started on. The magnitude of the observed bias can be illustrated using a betting scenario. If you bet a dollar on the outcome of a coin toss (i.e., paying one dollar to…