In tossing a coin, there are two outcomes; head or tail. Since there are two outcomes, probability of each outcome is: 0.5. Assuming a fair coin, probability of a head or tail is: 0.5. So, probability a team will win a toss is: 0.5.
Where ever the football is when the knee goes down or where ever the ball is when forward progress is stopped.
A referee can only show cards to players, and since the referee himself is not a player he cannot receive red cards. A referee may remove themselves of their duties if they are unable to continue.
A referee usually controls a football match
Philip Sharp - football referee - was born in 1964.
Jesús Díaz - football referee - was born in 1954.
Football has a referee.
Matthew Breeze -- A-League Football referee in Australia
the rules
Referee's
The referee
Yes, in football, the referee has the authority to make the final call.
Referees must take an exam. The exams do have questions on them.