Question

Fan And Medal
The following table shows the data collected from a random sample of 100 middle school students on the number of hours they play indoor games every week:

Weekly Duration of Indoor Games
Time (in hours) 0–3 4–7 8–11 12–15
Number of Students 4 42 52 2


There are 1,300 students in the school. Based on the sample proportion, how many students in the school would be expected to play indoor games for at least four hours every week?

Answer 1

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Answer 3

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