5/200 is 97th percentile, roughly speaking. But I would guess that acing the test is something that general population would be able to do at 80th percentile, m

5/200 is 97th percentile, roughly speaking. But I would guess that acing the test is something that general population would be able to do at 80th percentile, maybe 90th (although I'm a bad judge of such things and a quick google search reveals nothing elucidating).