Will post what I got when I get something!.. heh dont let me not having an answer stop you ;/
For the second one i got aprox .39% of the population.
got 40 for the first one
I think I have those please help with the second image.
For the second one i think it is 12 and 0 respectively, not sure how to calculate the third one. got 69 for C
hah.. please help with the third one :(