15. In a school-based virtual quiz bee at Godofredo M. Tan Integrated School of Arts and Trades, winner will receive smart phone and mobile load as rewards that they can use for their online class. If there are 198 Grade 7 students, 200 Grade 8 students, 212 Grade 9 students, and 190 Grade 10 students in the school, what is the probability that the winner will be a grade 8 student? A 1/8 B. 1/4 C. 1/2 D. 1
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