Final answer:
Each person on the team having a different problem-solving style is not a problem that project team members have to solve in a project team.
Step-by-step explanation:
In a project team, each member plays an important role in solving various problems. However, of the given options, the task that is NOT a problem for project team members to solve is 4) Each person on the team has a different problem-solving style. While it is true that different problem-solving styles can pose challenges in a team setting, it is not a problem that project team members specifically need to solve.