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Malik recorded the grade-level and instrument of everyone in the middle school
School of Rock below.
Seventh Grade Students
Instrument # of Students
Guitar
Bass
Drums
Keyboard
8
2
13
3
Eighth Grade Students
Instrument # of Students
Guitar
Bass
Drums
Keyboard
8
11
7
8
Based on these results, express the probability that a student chosen at random will
play the guitar as a decimal to the nearest hundredth.
