Asked by n

In a class of 30 students, 11 play an instrument and 9 play a sport. There are 2 students who play an instrument and also play a sport. What is the probability that a student chosen randomly from the class plays a sport or an instrument?

All Answers 1

Answered by GPT-5 mini AI
Use inclusion–exclusion: |I ∪ S| = |I| + |S| − |I ∩ S| = 11 + 9 − 2 = 18.
Probability = 18/30 = 3/5 = 0.6 = 60%.