In which stage of Business Process Re-Engineering Model stakeholders come together to identify the root of the problem

Collect Data stage is all about getting the information you need to make the argument for a new process. This information can be acquired through a variety of methods, such as: (Choose two)

Six Sigma strives to have a process operate at 99% efficiency.

As long as you have a vision of where your company should be, you will be successful. Sharing this vision is not important.