Last year over 10,000 students took an entrance exam at a certain state university. Trey's score was at the 13th
percentile.
(If necessary, consult a list of formulas.)
(a) Which of the following must be true about Trey's and Yoko's scores?
Yoko answered 8 more questions correctly than Trey.
Trey answered 8 more questions correctly than Yoko.
Both Trey and Yoko scored above the median.
Both Trey and Yoko scored below the median.
(b) Which of the following must be true about Trey's score?
Trey got about 13% of the questions correct.
Trey's score was in the top half of all scores.
Trey missed 87 questions.
Trey scored lower than about 87% of the students who took the exam.
X
5
percentile. Yoko's score was at the 21st