What is the primary duty of the lieutenant governor as proposed by Marvin Griffin?

The primary duty of the lieutenant governor as proposed by Marvin Griffin is to appoint chairmen to the senate committees with the governor's approval. This responsibility highlights the lieutenant governor's significant role in the legislative process, as the appointment of committee chairpersons is crucial for guiding legislative discussions and actions. By working in collaboration with the governor to make these appointments, the lieutenant governor helps to shape the agenda and priorities of the state legislature. This ensures that the legislative branch functions effectively and aligns with the administration's objectives, illustrating the interconnected nature of executive and legislative powers at the state level.

The other choices, while they may imply responsibilities that could be associated with a lieutenant governor's role in different contexts, do not accurately capture the primary duty as specified by Marvin Griffin. Therefore, focusing on the appointment of committee chairmen provides a clear understanding of the intended focus of the lieutenant governor's responsibilities as articulated.