Suppose that, at the end of last semester, Marie gave her introductory statistics class a final exam. After grading these exams, she created a histogram illustrating the distribution of exam scores for the 71 students in the class. 20- 10 40 60 100 Exam scores Each of the bars in this histogram includes only the left endpoint of the interval, except for the bar representing scores between 90 and 100 points, which also includes the right endpoint. What percentage of students scored between 70 and 90 points on the exam? Round your answer to the nearest tenth of a percent. Percentage of students who scored between 70 and 90 points: How many students scored at least 80 points on the exam? Number of students who scored at least 80 points: students Which of the following statements about the distribution of final exam scores is true? The lowest score carned on the exam was 10 points. A majority of students earned between 80 and 90 points on the exam. At least four students earned fewer than 40 points on the exam. More students earned Cs (between 70 and 80 points) than As (at least 90 points).

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Suppose that, at the end of last semester, Marie gave her introductory statistics class a final exam. After grading these
exams, she created a histogram illustrating the distribution of exam scores for the 71 students in the class.
20-
10
40
60
100
Exam scores
Each of the bars in this histogram includes only the left endpoint of the interval, except for the bar representing scores
between 90 and 100 points, which also includes the right endpoint.
What percentage of students scored between 70 and 90 points on the exam? Round your answer to the nearest tenth of
a percent.
Percentage of students who scored between 70 and 90 points:
How many students scored at least 80 points on the exam?
Number of students who scored at least 80 points:
students
Which of the following statements about the distribution of final exam scores is true?
The lowest score carned on the exam was 10 points.
A majority of students earned between 80 and 90 points on the exam.
At least four students earned fewer than 40 points on the exam.
More students earned Cs (between 70 and 80 points) than As (at least 90 points).
Transcribed Image Text:Suppose that, at the end of last semester, Marie gave her introductory statistics class a final exam. After grading these exams, she created a histogram illustrating the distribution of exam scores for the 71 students in the class. 20- 10 40 60 100 Exam scores Each of the bars in this histogram includes only the left endpoint of the interval, except for the bar representing scores between 90 and 100 points, which also includes the right endpoint. What percentage of students scored between 70 and 90 points on the exam? Round your answer to the nearest tenth of a percent. Percentage of students who scored between 70 and 90 points: How many students scored at least 80 points on the exam? Number of students who scored at least 80 points: students Which of the following statements about the distribution of final exam scores is true? The lowest score carned on the exam was 10 points. A majority of students earned between 80 and 90 points on the exam. At least four students earned fewer than 40 points on the exam. More students earned Cs (between 70 and 80 points) than As (at least 90 points).
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