22.
51
2-23
William 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
9
11
Answer:
9
11
Eighth Grade Students
Instrument # of Students
Guitar
Bass
Drums
Keyboard
Based on these results, express the probability that a seventh grader
chosen at random will play the keyboard as a fraction in simplest form.
3
3
8
6
Submit Answer
P



Answer :