The following two-way table shows the data for the students of two different grades in a school:

Member of School Band Not Member of School Band Total
Grade 7
10
8
18
Grade 8
10
2
12
Total
20
10
30
Based on the relative row frequency, the students of which grade are more likely to be members of the school band? (5 points)

Grade 7
Grade 8
The students of both grades are equally likely to be members of the school band
No conclusion can be drawn about the chances of a student being a member of the school band