Using Permutations and Combinations in Probability Practice Test

A bag contains 6 red marbles and 4 blue marbles. Three marbles are drawn without replacement. Order does not matter because only the set of colors drawn matters. There are $ \binom{10}{3} $ equally likely 3-marble selections. What is the probability that exactly 2 of the marbles drawn are red?

Seven runners compete in a race. Gold, silver, and bronze medals are awarded to the top 3 finishers. Order matters because gold/silver/bronze are different. There are $7P3$ equally likely podium outcomes. What is the probability that Lina wins a medal (finishes in the top 3)?