New PMP Question & Answers with explanation

The project contains many activity. One of the large activity has an estimate to complete (ETC) that is longer than planned. If the pm wants to look at non-value-added activities that might cause the delay, then manager should:
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The principal use of a pareto diagram is to
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Standard deviation is a measure of how
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Which statement is true of quality planning‘?
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A project manager has to resolve two problems. Both problems can occur in a single trial. In this situation, what is the best action the project manager can take?
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