New PMP Question & Answers with explanation

When evaluating whether to adopt a predictive, Agile, or hybrid approach, what three categories can an organization assess suitability against?
Select three
You are the project manager for a project that will produce a mobile phone application that sends alerts when UV rays are at dangerous levels, alerting users to stay indoors. You are in the process of measuring schedule performance against the schedule baseline. Within a predictive life cycle, what process group are these activities associated with?
Select one
You are using a hybrid life-cycle approach to manage your project and are creating the cost management plan. You have talked with your project sponsor and CFO and will document that you are rounding to the nearest thousand and will be using weeks to estimate resources. What two elements of the plan does this describe, respectively?
Select one
What are the two categories into which knowledge can be split?
Select two
What quality theorist believed that the quality standard should be zero defects?
Select one