Exact model

A chosen side of a fair coin

Probability:
50%
Odds:
1 to 1
dBan
0 dBan

Call heads or tails before a fair coin lands: your chosen side wins half the time.

Calculation

p = 1 chosen side / 2 sides = 1/2

Assumptions

The coin has equal chances of heads and tails, and it does not land on its edge.

Sources

  1. Fair-coin model