IDNLearn.com provides a seamless experience for finding and sharing answers. Get timely and accurate answers to your questions from our dedicated community of experts who are here to help you.
Using it's concept, it is found that the probability that the selected student is wearing a black shirt is given by:
[tex]p = \frac{n}{n + 15}[/tex]
A probability is given by the number of desired outcomes divided by the number of total outcomes.
In this problem, we have that out of n + 6 + 9 = n + 15 students, n are wearing black shirts, hence the probability is given by:
[tex]p = \frac{n}{n + 15}[/tex]
More can be learned about probabilities at https://brainly.com/question/14398287
#SPJ1