A company just started managing a project using an agile approach Due to this change, the general manager is worried about the scope definition process for upcoming projects What should the project manager do to ensure the project scope is completely defined?

A project manager leads a development project for a mobile chatting application. One of the experienced developers constantly creates conflicts with the other team members. As a result, the other team members are refusing to work with the developer.
Since the developer is a high
performer, the project goals may be negatively impacted if they leave the team.
What should the project manager do in this situation?

An oil and gas project started without having acquired full funding for the project. The remaining funds were to be acquired during project execution. The acquisition of the remaining funds was delayed several months, resulting in a suspension of work by all contractors.
What should the project manager have done to prevent this from happening?

A project manager in a matrix organization has been assigned to a system solution project with tight time lines.
There are two resources assigned as part of the solution
team: one who is experienced and one who is new. During development, the project manager notices that the resources disagree on the solution approach.
What should the project manager do next to deliver a reliable solution?

A project manager has been assigned to lead an IT project to store information on sold lottery tickets. During the project execution, a failure in the system caused 10 numbers to be sold two times. This happened during the month of greatest demand because the prize was the highest of the year. The project team is concerned that one of those tickets could be the winner.
What should the project manager do first?