Discuss, using statistical terms, the fairness of the overtime rules. Does the data support fairness or not?

Is the NFL Coin Toss Fair?

In 431 NFL football games that went to overtime, the teams that won the coin toss went on to win 235 of those games. Review the NFL Overtime Rules. If the coin toss method is fair, we expect that the teams winning the coin toss would win about 50% of the games. Discuss, using statistical terms, the fairness of the overtime rules. Does the data support fairness or not?

https://operations.nfl.com/the-rules/nfl-overtime-rules/

Only has to be 150-175 words