Which of the following statements about the doctrine of precedent is correct?

Group of answer choices

The doctrine of precedent only applies when a case is appealed.

The doctrine of precedent has developed to provide consistency in judicial decision making.

If a judge does not follow the doctrine of precedent the party who loses may appeal to a higher court.

Precedent is established because we have a court hierarchy.

(b), (c) and (d) are correc