Which is used to solicit proposals from prospective sellers?

A project is proceeding less quickly than planned, and most stakeholders complain about communication challenges. The project manager has sufficient reserves to improve communications, and the team agrees it will positively impact the project. Since approved reserves are already available, the team believes that a change request, which takes several days for approval may not be required.
What should the project manager do?

After the root cause of defective deliverables is identified, the project director decides to closely examine the team performance assessment.
What will the results of this method contribute to during project execution?

You are in the process of identifying and documenting the project roles and responsibilities and create staffing management plan. All of the following should be addressed when listing the roles and responsibilities EXCEPT:

Your project team is in the process of identifying project risks on your current project. The team has the option to use all of the following tools and techniques to diagram some of these potential risks except for which one?