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

Weekly Duration of Outdoor Games
Time (in hours) 0–2 3–5 6–8 9–11
Number of Students 30 62 8 0

There are 1,200 students in the school. Based on the sample proportion, how many students in the school would be expected to play outdoor games for at least three hours every week?

744

840

960

1,104

Question

The following table shows the data collected from a random sample of 100 middle school students on the number of hours they play outdoor games every week:

Weekly Duration of Outdoor Games
Time (in hours)	       0–2	3–5	6–8	 9–11
Number of Students	30	 62	  8	   0


There are 1,200 students in the school. Based on the sample proportion, how many students in the school would be expected to play outdoor games for at least three hours every week?

744

840

960

1,104

aveline · Answer

What is the total number of students? How many out of those total played for at least 3 hours a week?

nikki_skellington · Answer

there are 100 students in total and 62...played for at least 3 hours right?

nikki_skellington · Answer

i means 1,200 students.

aveline · Answer

Well out of the 100 surveyed, 62 played for at least three hours. That's about 62% of the students. What is 62% of 1200?

nikki_skellington · Answer

744

nikki_skellington · Answer

ok i got it now. Thx so much!