1.

In a school, there are 120 students. 20 students have no pets, 46 have only 1 pet, 33 have 2 pets, and 21 have at least 3 pets. If a student is picked at random, what is the probability that the student has at least 1 pet?

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In a school, there are 120 students. 20 students have no pets, 46 have only 1 pet, 33 have 2 pets, and 21 have at least 3 pets. If a student is picked at random, what is the probability that the student has at least 1 pet?



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