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AssignmentMultiple Choice

Inferences and Predictions

Question 1 • Pre-Algebra B

Your school has received a grant to upgrade the school library. The librarians used a random sample of 50 students from the entire school. Of the 50 students, 27 would like to see more laptops available for student use. What can be inferred from this information?

Answer
A
Most students in the school would like to have more laptops available in the library.
B
Exactly 46% of the students in the school would like to have an upgrade other than laptops for the library.
C
About half of the students want the grant money to be used to buy more laptops for student use.
D
Students who use the library the most need more laptops.

Explanation

In the random sample, 27 of 50 students wanted more laptops, which is 27 ÷ 50 = 54%. That is a little more than half, so the sample supports the inference that about half of the students want the grant used for more laptops. It does not show that most students do, or tell us what library users who visit most often need.

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