NN 指点一下吧。在线等

heslaw

we need median,

so we must find out the total number of projects, or some data related to % (around 50%)

in this question , we need to think about the latter

for 1, it does not confirm anything

for 2, it also does not confirm anything

so the possible ones left are C and E

since we must have people in a project, condition 2 tells us that

0-35% have <=2

then think about 1, 25%>=4, this will be 75%-100%

so combine them, we know that from 35%-75%, the project got 3 people

so C