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The accompanying table shows students' scores from the final exam in a history course. Cumulative Frequency Scores 50 up to 60 11 60 up
The accompanying table shows students' scores from the final exam in a history course. Cumulative Frequency Scores 50 up to 60 11 60 up to 70 33 70 up to 80 64 80 up to 90 93 90 up to 100 100 How many of the students scored at least 70 but less than 90?
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