Probability: Independent or Dependent

Lowest term fraction for answers. Consider a class with 5 seniors, 7 juniors and 8 sophomores. Two leaders will be selected to lead the teams. Find the probability that the first leader is a senior then second a sophomore. Blank 1: Consider a box with 6 green socks, 7 blue socks and 8 red socks. Find the probability that you will green first then blue second. Blank 1: Consider a class with 5 seniors, 7 juniors and 8 sophomores. Two leaders will be selected to lead the teams. Find the probability that the both leaders are juniors