Final answer:
A project management plan is developed as part of the Project Integration Management knowledge area, serving as a formal document to guide project execution, monitoring, and control.
Step-by-step explanation:
Developing a project management plan is a planning process that occurs in the Project Integration Management knowledge area. A project management plan is a formal, approved document that defines how the project is executed, monitored, and controlled. It may be a summary or a detailed document and can include baselines, subsidiary management plans, and other planning documents. The correct answer is b. project management plan. Developing a project management plan is a planning process that occurs in the Project Integration Management knowledge area. The project management plan is a formal document that defines how the project will be executed, monitored, and controlled. It includes various subsidiary plans, such as the scope management plan, schedule management plan, cost management plan, and quality management plan.