New PMP Question & Answers with explanation

What is the process of random selection and inspection of a work product?
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There is a serious defect in the finished product of a project that was completed a few months ago, resulting in a recall campaign to recall the defective products. What would be the best classification for these types of costs?
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The technique of comparing actual or planned project practices to those of other projects to generate ideas for improvement and to provide a basis by which to measure performance is known as:
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Which of the following tools can enhance the visibility of traditional written project plans and other documents to provide a real-time overview of the project status?
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What is a control chart?
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