New PMP Question & Answers with explanation

The project team has created a plan for how they will implement the quality policy. It addresses the organizational structure, responsibilities. Procedures and other information about plans for quality. If this changes during the project. Which of the following plans will also change?
Select one
All of the following are not examples of quality assurance except?
Select one
A control chart shows that the last eight pipes produced were all less than average weight. You need to inform management that there is a problem because the situation violates the:
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All of the following are parts of quality planning except?
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You are a project manager for a major information systems project when someone from the quality department comes to see you about beginning a quality audit of your project. The team, already under pressure to complete the project as soon as possible, objects to the audit. You should explain to the team that the purpose of a quality audit is:
Select one