New PMP Question & Answers with explanation

A previously unknown risk surfaces on a project and creates an issue that is estimated to cost $50,000. The project manager submits a change request to adjust the schedule baseline and uses the already approved contingency reserves to address the cost. What did the project manager do wrong?
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You are establishing the relative priorities of individual project risks that have been identified earlier in the project. Which of the following tasks are you least likely to perform?
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A project manager is facilitating a first brainstorming session to identify individual risks as well as sources of overall project risk. The meeting attendees are struggling with the task, and the meeting is becoming unproductive. What action might the project manager take to get the meeting back on track?
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During a recession, a project manager posts a positive risk that in the current economic environment, cheaper resources may become available. On the way into work, the project manager hears about a competitor going out of business and contacts the competitor to acquire some equipment, materials, and supplies at a fraction of their normal value. What is the project manager doing?
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A project manager notifies the project sponsor that the mitigation strategy for a major risk did not work. The sponsor states that the same risk response was implemented a few months ago on a similar project with the same result. How might this situation have been avoided?
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