The sample size of the actors is the number of actors Darrien selected
The sample size is 15
From the question, we understand that:
Darrien has 60 actors
This represents the population of the experiment.
Then he selected 15 of the actors, and 8 of them have previous acting experience.
The 15 actors he selected represents the sample of the experiment
Hence, the sample size is 15
Read more about sample size at:
https://brainly.com/question/14470673