New PMP Question & Answers with explanation

Jane, who is the project manager, has a question about the Research activity’s progress and is interested in knowing why it appears to have fallen behind. According to the RACI chart provided, who is to perform the work of this activity? Activity Todd Alfred Anne Henry Define A R C I Research I R A I Compile A I R I
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Richard, the project manager, has a difficult time with Rob, who is the department manager of Information Systems, when it comes to dealing with risk. Rob does everything possible to avoid risk, even if it means negatively impacting the project. What type of risk attitude does Rob have?
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As a proactive approach to dealing with a recent issue, the project team has been asked to determine all the possible causes of the issue. Which of the following tools would be the best choice for the project team to use?
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Rosco Enterprises is currently working on a large commercial fencing project that will construct a custom-built fence around a 10,000-square-foot property. To deliver by the committed date, the company will need to hire a subcontractor to produce the custom maple wood post endcaps. So far, the procurement statement of work has been clearly outlined, as well as the delivery date for the end caps. Based on the information provided, what type of contract will Rosco Enterprises likely use for the work carried out by the subcontractor?
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The net quantifiable benefit derived from a business endeavor is described by what?
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