The names of the 20 students in a class are placed in a hat. The class consists of 12 freshmen, 6 sophomores, and 2 juniors. A name is selected from the hat each day and if the student is present that day they receive a prize. The name selected is put back in the hat each day. If a sophomore was chosen yesterday, what is the probability that a sophomore will be chosen again today?
3/38
1/4
9/100
5/19
3/10