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To find the percentage of the class that has 2 or more pets, we need to add up the frequencies for 2, 3, and 4 pets.
So, 10 + 4 + 2 = 16 students have 2 or more pets.
The total number of students in the class can be calculated by adding up all the frequencies: 8 + 10 + 4 + 2 = 24 students.
To find the percentage, we divide the number of students with 2 or more pets by the total number of students and multiply by 100:
(16/24) * 100 = 66.67%
So, 66.67% of the class has 2 or more pets.