New PMP Question & Answers with explanation

At the end of a project, a project manager determines that the project has added four areas of functionality and three areas of performance. The customer has expressed satisfaction with the project. What does this mean in terms of success of the project?
Select one
All of the following are inputs to quality planning except?
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Who of the following has primary responsibility for establishing design and test specifications?
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Design of experiments:
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Work on a project is ongoing when the project manager overhears two workers arguing over what a set of instructions mean. The project manager investigates and discovers that the instructions for the construction of the concrete footings currently being poured were poorly translated between the different languages in use on the project. Which of the following is the best thing for the project manager to do first?
Select one