New PMP Question & Answers with explanation

You are working on a project that involves multiple vendors. One of the vendors has been difficult to work with and is not very cooperative. You have received the latest invoice from them for services and disagree with them about the charges they have listed for the change request that was submitted last month. When you called and spoke with your representative at the company, they refused to budge on the charges. You will likely need to use an alternative dispute resolution (ADR) to get to the bottom of this matter. Which tool and technique of the Control Procurements process does this question describe?
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This motivational theory states that people will behave a certain way if they think there will be a good reward for doing so.
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You are a project manager for SubZero Delights, a company that offers extraordinary experiences to travelers. Your latest project involves the development of a smart phone app that automatically picks up a customer’s GPS coordinates to provide tailored resources and recommendations. You take time to consider the project complexity and decide to plot the degree of uncertainty against requirement uncertainty. What model are you using?
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You are managing a project using the Crystal methodology. As is customary within your organization, you leverage a communications platform that allows the team to chat, upload and download files, and host meetings virtually. Using this platform, you upload a document and email an electronic link to the team to request that they review it within two business days. You know that some members of the team are not proactive about downloading key project documents, so you set up time with them to review the information. Which of the following statements is true regarding this scenario?
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Kaylee is a risk manager working in collaboration with Alyssa, a project manager, and both work for a top healthcare company. They are currently in the process of performing risk analysis. To determine the most likely date of project completion, based on known risks, they run a simulation using a risk management tool that will run through thousands of possible scenarios. What tool are they using?
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