SOLUTION: 6 seniors and 4 juniors are nominated for 4 leadership positions. what is probability there will be exactly 2 seniors and 2 juniors selected? thank you!

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Question 1083132: 6 seniors and 4 juniors are nominated for 4 leadership positions.
what is probability there will be exactly 2 seniors and 2 juniors selected?
thank you!
Answer by Boreal(15235) About Me  (Show Source):
You can put this solution on YOUR website!
total number of possibilities is 10C4=210
numerator is 6C2*4C2=15*6=90
90/210 or 3/7.