Question

A survey given to a random sample of 250 students at a small University asks which facility they use most often. The results are shown in the table above. If the results of the sample are projected to the entire student population 1,000 students, which of the following is the difference in the number of students who most often use the Union compared to the students who most often use the Music Hall?

Recreation Center Library Union Music Hall
60 80 70 40

Answer 1

1000 = 250*?

Answer 2

so i have to figure out what 250 times to get 1000

Answer 3

help

Answer 4

can someone help

Answer 5

I guide you step by step. 1000 =250 *\(\color{red}{4}\)
hence if the result of the survey on 250 students, then the result on 1000 students must *4
then take different between the two