Question

a group of 120 seventh - and eighth - grade students were asked whether they participate in sports or in non - sports - related activities. the two - way table shows their answers. participation in sports or non - sports

	sports	non - sports	total
eighth grade	29	28	57
total	68	52	120

which statement is correct?
twenty - nine seventh - grade students chose a sports activity.
twenty - eight eighth - grade students chose a sports activity.
twenty - four seventh - grade students chose a non - sports activity.
thirty - nine eighth - grade students chose a non - sports activity.

Explanation:

Step1: Check first option

In the table, the number of seventh - grade students who chose a sports activity is 39, not 29.

Step2: Check second option

The number of eighth - grade students who chose a sports activity is 29, not 28.

Step3: Check third option

The number of seventh - grade students who chose a non - sports activity is 24, which is correct.

Step4: Check fourth option

The number of eighth - grade students who chose a non - sports activity is 28, not 39.

Answer:

Twenty - four seventh - grade students chose a non - sports activity.