7. Rashon recorded the grade-level and instrument of everyone in the middle school School of Rock below Seventh Grade Students # of Students Instrument Quitar Bass Drums Keyboard 10 Instrument Guitar Bass Drums Keyboard 15 Eighth Grade Students # of Students 3 4 Based on these results, express the probability that a student chosen at random will play an instrument other than bass as a decimal to the nearest hundredth.
7. Rashon recorded the grade-level and instrument of everyone in the middle school School of Rock below Seventh Grade Students # of Students Instrument Quitar Bass Drums Keyboard 10 Instrument Guitar Bass Drums Keyboard 15 Eighth Grade Students # of Students 3 4 Based on these results, express the probability that a student chosen at random will play an instrument other than bass as a decimal to the nearest hundredth.
Chapter8: Sequences, Series,and Probability
Section8.7: Probability
Problem 11ECP: A manufacturer has determined that a machine averages one faulty unit for every 500 it produces....
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Transcribed Image Text:7. Rashon 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
Eighth Grade Students
Instrument # of Students
Guitar
9
10
Drums
Keyboard
7
4
Based on these results, express the probability that a
student chosen at random will play an instrument
other than bass as a decimal to the nearest
hundredth.
6
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