4 pts Question 20 In creating a survey or user study, which is true: Creating an "arc' is easy and came naturally to all students The first survey/study you design will be great, no need to iterate o We have to use expensive software for the survey/study to be effective o Customer feedback is not easy to come by, we must be diligent in designing surveys/studies Question 21 4 pts Over the past 40 years the number of start-up firms relative to the total number of firms in the US is decreasing. Is this statement true or false, and why? o False there's lots of venture capital funding in recent years O False firms like Amazon create opportunities for small businesses True, perhaps because the number of effective researchers is declining True, perhaps because generating new ideas is gettina harder