New PMP Question & Answers with explanation

If earned value = 500, planned value = 700, and actual costs = 450, what is the schedule variance?
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A project manager is overseeing the execution of the team’s project activities. She closes out the day, satisfied that the team is working together harmoniously and beginning to adjust their work habits and behaviors to support one another. Which stage of the Tuckman team development ladder is the team currently in?
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Yazzy is a junior project manager for a fitness company that is developing a new franchise model. She is currently working under the guidance of a senior project manager over her parent project, who asks that she calculate the expected costs to finish the remaining project work. The work is proceeding as planned. She determines that the EAC is $75,000, and the cumulative actual costs to date are $50,000. What will Yazzy communicate to the senior project manager?
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Two project managers preparing for the PMP® exam sat and debated over the various ways that project life-cycle phases could be performed. The project managers would be covering all of the following except for which one?
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At what point in the project’s life cycle is the risk probability of occurrence at its highest?
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