A project team realizes that an important task on the iteration backlog will take more time than originally estimated. What should the project team do?

Personas are used in Agile requirements to depict which type of user?

A new agile project manager accepts an assignment to manage a well-established team. Many team members have worked together on this product for several years. During a meeting, the project manager notices that team members offer little vocal interaction, yet all required tasks are completed on time.
What type of behavior does this describe?

Risk exposure is the:

When interacting with team members, the Agile project manager should: