Which of the following statements is true of trial by jury?

A jury has to consist of 12 persons. Or

All states require a unanimous jury decision in civil cases where the amount in controversy exceeds $75,000. Or Juries are used in a large percentage of all cases. Or

The right to trial by a jury is preserved in civil suits at common law when the amount in controversy exceeds $20. Or Juries are only used in criminal cases.