1. A survey given to a random sample of 250 students at a small University asks
ID: 3038588 • Letter: 1
Question
1. 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?
A.120
B. 280
C. 160
D. 300
Trype of facility Recreation Center Library Union Music Hall Number of people 60 80 70 40Explanation / Answer
when 250 students
union = 70
music hall = 40
so when 1000 students
then union = 70*4 = 280
music hall = 40*4 = 160
the difference between them is 280-160 = 120
option A
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