Question

Usually, seven justices must agree for the Supreme Court to hear a case.

Answer 1

The Supreme Court has its own set of rules. According to these rules, four of the nine Justices must vote to accept a case. Five of the nine Justices must vote in order to grant a stay, e.g., a stay of execution in a death penalty case.

The Supreme Court receives about 10,000 petitions a year. The Justices use the "Rule of Four” to decide if they will take the case. If four of the nine Justices feel the case has value, they will issue a writ of certiorari. ... The majority of the Supreme Court's cases today are heard on appeal from the lower courts.

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