Question: in a standard university class that includes 120 students mostly...
In a standard university class that includes 120 students, mostly non-traditional, the Mean age is 32, with a standard deviation 12 students, and with a normal distribution. Six of these students are international students.
1. What is the probability that, if one student is picked at random he/she be a teenager (12 to 19 years old)? You need to (somewhat) critically think about this before tackling it!
Show you work.