4. On a reality TV show, there were 13 participants, 7 males and 6 females. Two teams of 6
are to be randomly selected. The first team of 6 will be selected from all 13 participants, and
the second team of 6 will be picked from the remaining 7 participants. Assume the order in
which the players are picked does not matter.
a. What is the probability that the first team will be a team of all males?
b. What is the probability the second team is all females, given the first team is all males?