Adriel recorded the grade-level and instrument of everyone in the middle school School of Rock below.
Seventh Grade Students
Eighth Grade Students
Instrument # of Students
Instrument # of Students
10
4
8
Guitar
Bass
Drums
Keyboard
15
5
13
Guitar
Bass
Drums
Keyboard
3
14
Based on these results, express the probability that an eighth grader chosen at
random will play the guitar as a percent to the nearest whole number.

Match the vocabulary to the proper definition. in probability, two events in which 1. conditional probability the outcome of one event is independent of the outcome of a second event. 2. dependent events in probability, two events in which the outcome of one event is dependent on the outcome of a second event. the probability of an event in which the outcome of the event is conditional on the outcome of one or more different events. 3. independent events