Margie takes a random sample of 30 students in her seventh-grade class and finds that 75% of the sample prefers the color blue over the color red. There are 125 students in the seventh grade. Based on the sample proportion, about how many students in the seventh grade would be expected to prefer blue over red?

A. 30
B. 75
C. 94
D. 125

Question

Margie takes a random sample of 30 students in her seventh-grade class and finds that 75% of the sample prefers the color blue over the color red. There are 125 students in the seventh grade. Based on the sample proportion, about how many students in the seventh grade would be expected to prefer blue over red?

A. 30
B. 75
C. 94
D. 125

gababb09 · Answer

I think it might be C.94 but I'm not sure

AngeI · Answer

You are correct
You don't even have to do the math
75% of 125
So 3/4
30 is 3/4 of 40
75 is 3/4 of 100
Etc
But yes it is c
Good job cx

gababb09 · Answer

thank