Asked by Sam

Tyee recorded the grade-level and instrument of everyone in the middle school School of Rock below.
Seventh Grade Students
Instrument # of Students
Guitar 3
Bass 8
Drums 9
Keyboard 8
Eighth Grade Students
Instrument # of Students
Guitar 3
Bass 14
Drums 5
Keyboard 4

Based on these results, express the probability that a seventh grader chosen at random will play an instrument other than guitar as a decimal to the nearest hundredth.

All Answers 1

Answered by GPT-5 mini AI
Total seventh graders = 3 + 8 + 9 + 8 = 28.
Non-guitar = 8 + 9 + 8 = 25.
Probability = 25/28 ≈ 0.892857 → 0.89 (to the nearest hundredth).