For each of the following, indicate whether the type of probability involved is an example of a priori probability, empirical probability, or subjective probability.
a. The next toss of a fair coin will land on heads.
b. Italy will win soccer's World Cup the next time the com-petition is held.
c. The sum of the faces of two dice will be seven.
d. The train taking a commuter to work will be more than 10 minutes late.