(a) Which of the following must be true about Amanda's and John's scores? Amanda scored higher than John. Both Amanda and John scored higher than the median. Amanda got 34 more questions correct than John. Amanda's and John's scores were both in the bottom half of all scores. (b) Which of the following must be true about Amanda's score? Amanda scored higher than about 34% of the students who took the exam. About 34% of the students who took the exam scored higher than Amanda. Amanda got about 66% of the questions correct. Amanda got about 66% of the questions wrong.
(a) Which of the following must be true about Amanda's and John's scores? Amanda scored higher than John. Both Amanda and John scored higher than the median. Amanda got 34 more questions correct than John. Amanda's and John's scores were both in the bottom half of all scores. (b) Which of the following must be true about Amanda's score? Amanda scored higher than about 34% of the students who took the exam. About 34% of the students who took the exam scored higher than Amanda. Amanda got about 66% of the questions correct. Amanda got about 66% of the questions wrong.
College Algebra
7th Edition
ISBN:9781305115545
Author:James Stewart, Lothar Redlin, Saleem Watson
Publisher:James Stewart, Lothar Redlin, Saleem Watson
Chapter9: Counting And Probability
Section9.4: Expected Value
Problem 20E
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Last year over 8000 students took an entrance exam at a certain state university. Amanda's score was at the 66" percentile. John's score was at the 32d
percentile.
(If necessary, consult a list of formulas.)
(a) Which of the following must be true about Amanda's and John's scores?
O Amanda scored higher than John.
O Both Amanda and John scored higher than the median.
O Amanda got 34 more questions correct than John.
O Amanda's and John's scores were both in the bottom half of all scores.
(b) Which of the following must be true about Amanda's score?
O Amanda scored higher than about 34% of the students who took the exam.
O About 34% of the students who took the exam scored higher than Amanda.
O Amanda got about 66% of the questions correct.
O Amanda got about 66% of the questions wrong.
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