New PMP Question & Answers with explanation

Ideally the relationship between a project manager and a business analyst should be:
Select one
An automotive designer uses a certain technique to determine which combination of suspension and tires will produce the most desirable ride characteristics at a reasonable cost. To do this, the designer employs a statistical framework and systematically changes all the important parameters instead of changing the factors one at a time. This method is known as:
Select one
You have a contract to build a manufacturing plant in Kuala Lumpur. However, you are not familiar with the building codes in Kuala Lumpur or Malaysia, so you are reviewing all their building codes prior to “turning a shovelful of earth.” This is an example of:
Select one
Which of the following processes are usually not performed continuously, but rather, performed periodically as needed:
Select one
What is the process of random selection and inspection of a work product?
Select one