Final answer:
Juanita is most likely to 'hook up' among the college students described because she has just started college, made lots of new friends, and has made many connections through activities and classes.
Step-by-step explanation:
Among the college students described, Juanita is the most likely to 'hook up'. This is because she has just started college, made lots of new friends, and has made many connections through activities and classes. College is a time when many students explore their social and romantic lives, and Juanita's active social life and connections increase her chances of finding a romantic partner.