yea you have to write american even though it says to input the country, not nationality.
I got this with pen and paper.
As for the 2% thing, it is probably wrong, but think...Most elderly I believe won't be able to do it because they are old. I don't think any young kids could figure it out. Anyone without a decent education I don't believe will have the brain power to do it [save a couple drop outs who should have stayed in school]. Those punk people who graduated high-school with a 70 [mostly minorities] , or are on the same track, will probably just wave the test by and not even look at it. There are those busy people who are always too stressed to take it, or spend more than 1 minute thinking about it. There are always exceptions. I'm just pointing out that there are many more people than you think that wouldn't be able to complete this successfullly.