What are the chances of visa being granted? Husband on F1 already and I'm applyin for f1 and taking my son on f2

My husband is on F1 since Fall 2016. I have got an admit in the same university for this fall intake. I would be taking my son (1.5 yrs old) on F2. What are the chances of visa rejection since my husband is already there? Will we be considered potential immigrants? I’m worried about the interview. What kind of questions would be asked?

No one can say with surety what will happen during interview. However, you should respond truthfully to all questions.