Split decision means the lower court decision is affirmed. Simple majority is required for a reversal, or any change to status quo.
Think about the Supreme Court as a very small Senate. The individual justices do not make decisions. The whole body does. They do operate a lot like a legislative body procedurally.
Think about the Supreme Court as a very small Senate. The individual justices do not make decisions. The whole body does. They do operate a lot like a legislative body procedurally.