Answered You can hire a professional tutor to get the answer.
In a school band, 9 kids play string instruments, 10 kids play woodwind instruments, 7 kids play brass instruments, and 4 kids play percussion...
In a school band, 9 kids play string instruments, 10 kids play woodwind instruments, 7 kids play brass instruments, and 4 kids play percussion instruments.
a. What is the probability that you randomly select a kid who plays a string or percussion instrument?
b. What is the probability that you randomly select a kid who does not play a brass instrument?