5+9+2+8+12+4=40(total rolls)
1:[tex] \frac{8}{40} = \frac{1}{5} [/tex]
2:[tex] \frac{40-8}{40}= \frac{32}{40} = \frac{4}{5} [/tex]
3:[tex] \frac{9}{40} [/tex]
4:[tex] \frac{40-4}{40}= \frac{36}{40} =\frac{9}{10} [/tex]
5:500×[tex] \frac{4}{40} [/tex]=50
45+25+15+10=95 (total amount of people interviewed)
6:[tex] \frac{45}{95}= \frac{9}{19} [/tex]
There is no question 7/8 on the paper
