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13-01-2023
Mathematics

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Michael recorded the grade-level and instrument of everyone in the middle school School of Rock below. Seventh Grade Students Instrument # of Students Guitar 10 Bass 2 Drums 8 Keyboard 15 Eighth Grade Students Instrument # of Students Guitar 12 Bass 6 Drums 4 Keyboard 14 Based on these results, express the probability that an eighth grader chosen at random will play the keyboard as a fraction in simplest form.

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