3/25; There are more right handed students in the class.
Step-by-step explanation:
Of the students in a class 12% are left handed. This means that there will be (100-12) = 88% right handed students in the class.
Faction of students that are left handed will be:
= 12/100
= 3/25
There are more right handed students in the school because the percentage of right handed students is 88% while that or left handed students is 12%.