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Mathematics, 25.06.2021 01:00 CoolRahim9090

Luke recorded the grade-level and instrument of everyone in the middle school School of Rock below. Seventh Grade Students
Instrument # of Students
Guitar 5
Bass 9
Drums 9
Keyboard 9
Eighth Grade Students
Instrument # of Students
Guitar 14
Bass 13
Drums 15
Keyboard 6

Based on these results, express the probability that an eighth grader chosen at random will play an instrument other than bass as a fraction in simplest form.

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Luke recorded the grade-level and instrument of everyone in the middle school School of Rock below....
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