Final answer:
The Chief Justice is responsible for overseeing the federal court system, including the budget.
Step-by-step explanation:
The correct answer is b. chief justice.
The Chief Justice of the United States is responsible for overseeing the federal court system, including the $5.5 billion budget. The Chief Justice is the highest-ranking justice on the Supreme Court.
For example, currently, John Roberts serves as the Chief Justice of the Supreme Court and is responsible for administrative duties such as overseeing the operation of the federal court system and representing the judiciary in its relations with the executive branch.