New PMP Question & Answers with explanation

First Strike Engineering Co. has won a contract to produce 1,000,000 night-time vision goggles for the military. However, part of the requirement is that they must ensure the product accuracy is within Six Sigma. This prevents a problem for First Strike Engineering Co. because they are not accustomed to delivering products within a Six Sigma level of accuracy, and as a result, the cost of quality to achieve that level of accuracy will decrease their profit margin by 67 percent. Cost of quality, which is a factor in this scenario, can best be defined as:
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Which of the following best describes a RACI chart?
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Sally, a member of the project management team, walks into a room where two project team members are seen arguing over the schedule. One team member feels that an additional resource is needed to meet an upcoming deadline, while another feels that the risk is not as high and that the schedule should be left alone. Sally takes a moment to review the schedule and instructs the team members to leave it. What type of resolution technique did Sally use?
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A project team member called the project manager to notify him that there seemed to be confusion about the resources needed to complete her activity. The project manager, who was running late for a meeting, told the team member not to worry about it and ended the conversation by telling her to have a good day and that they would touch base in the coming weeks. The project team member was left wondering whether the project manager understood the severity of the situation, since without the resources, her activity could not proceed, and the deadline would be missed. In this scenario, what was the communication role of the project manager?
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Kishore is in Las Vegas and works remotely from his home. Bryan is also remote and works from home as well. Carolyn, the project manager, resides on the same campus as four other team members, although they are in different buildings. To help the team feel connected, Carolyn opens a video conferencing link every workday beginning at 8 a.m. and closing it at 5 p.m. Each team member joins the stream and leaves the video open so that they feel as though they are in a virtual open workspace. What is this an example of?
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