Mathematics, 15.12.2020 02:30, DOGENINJA4542

A principal randomly chose 30 students from grade 8. 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 120 students from grade 8?

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A principal randomly chose 30 students from grade 8. Of these students, 9 were wearing watches. Base...