Question

Help me plz it would be greatly appreciated.

Answer 1

1)200*0.04=8 7th grade students are expected to move,
if moved 12 than it is more than expected
2)(12/200)*100%=6% 7th grade students moved (6% more than 4%, so it is more than expected)

Answer 2

-28; 200•.04
-fewer than expected