New PMP Question & Answers with explanation

If two events cannot both occur in a single trial. They are:
Select one
Identifying ways to eliminate the causes of unsatisfactory performance would most likely lead to
Select one
Quality is achieved when:
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Project manager is determining the factors that might influence specific quality variables. He has chosen to analyze the color/size combination that will contribute most to the functionality of the new product. In what part of the quality management process is the project manager involved?
Select one
The customer's expectations for quality are shown on a control chart as the:
Select one