Statistics

The results of a poll are stated as follows: “Based on a survey of 156 randomly selected students, 90% of the student body of 2870 students agree that no student should have to take final exams in two consecutive exam periods”. If 2578 students actually agree, then what is the absolute error in the reported result?
A. 5 students
B. 287 students
C. 0.17%
D. 292 students

Answer: A

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