Judges in federal appellate courts determine whether
a. a case should be heard in federal court.
b. a defendant is innocent or guilty.
c. a lower court made an error in a case.
d. a case should go to the supreme court.

The answer is: D. a case should go to the Supreme Court.

If the case is passed to the supreme Court, all of the decision that made prior to the supreme court would automatically become obsolete. But it is very hard for a case to be heard in the supreme court. Each year, only around 1% of the case filed by the appellate courts eventually heard in the supreme court.

answer; being clearly political;