The relative frequency table describes the relationship between students who completed an exam review and their performance on the exam. Passed exam Did not pass exam Row Totals Completed exam review 55% 10% 65% Did not complete exam review 20% 15% 35% Column Totals 75% 25% 100% Part A: What is the percentage of students who failed the exam, given that they completed the exam review? Round to the nearest percentage. (2 points) Part B: What is the percentage of students who failed the exam, given that they did not complete the exam review? Round to the nearest percentage. (2 points) Part C: Is there an association between failing the exam and completing the exam review? Justify your answer. (2 points)
