Again consider a Little League team that has 15 players on its roster.
a. How many ways are there to select 9 players for the starting lineup?
b. How many ways are there to select 9 players for the starting lineup and a batting order for the 9 starters?
c. Suppose 5 of the 15 players are left-handed. How many ways are there to select 3 left-handed outfielders and have all 6 other positions occupied by right-handed players?