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Mathematics, 09.05.2021 01:00 evazquez

A principal randomly chose 40 students from grade 7. Of these students, 9 were wearing watches. Based on this information, what is the most reasonable prediction of the number of students wearing watches in a group of 480 students from grade 7?

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A principal randomly chose 40 students from grade 7. Of these students, 9 were wearing watches. Base...
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