Answer:
70% (Or 69.23% if your looking for a more exact answer)
Step-by-step explanation:
There are 13 people in all, and there are 9 teachers and students.
[tex]\frac{desired}{toaloutcomes} =\frac{9}{13} = .6923 = 69.23[/tex]%
There would about a 70% chance that a person that is selected would be a teacher or a student.
The probability that it is a student or teacher is 69.23%
From the question we can tell that there are 13 people in the room. Also, we know that there are 6 teachers and 3 students, a total of 9.
The probability that a teacher or student is selected then is
(6+3) / (13)
9/13
69.23%
This means that if a someone is selected at random, then there is a 69% chance that it is a teacher or student
Learn more about probability here https://brainly.com/question/23017717
