Which scenario describes a federal court going against the principle of precedent?

Answer,

The Supreme court rules that companies must pay men and women equal wages despite earlier court ruling allowing wage differences.

Explanation,

Principle of precedent means the judge in charge is supposed to do the ruling based on a previous ruling by a court of higher authority.Principle of precedent is followed if the cases have similar facts and predictable outcome.the judge on appeal is bound to adhere to prior decisions made by a higher court on a similar legal matter unless  he believes there is an important reason to make a different ruling.

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