[20 POINTS] At a certain high school, 15 students play stringed instruments, 20 students play brass instruments, and 5 students play neither stringed nor brass instruments. what is the probability that a randomly selected student plays either a string or brass instrument?

Step-by-step explanation:

From the diagram, none of the students play both instruments.

This means the two events are mutually exclusive.

The number of people playing instruments is 20.

0/5 is 0, 2/0 is undefined, and 0/0 is indeterminate.

step-by-step explanation:

hope my answer has you!

439400

step-by-step explanation:

130^2 = 16900

16900*26 = 439400