SOLUTION: In a drawer there are 5 classical CDs and 4 Rock n Roll CDs. Armon randomly picks 3 CDs. What is the probability that he selected 2 classical and 1 Rock n Roll CD? Can you solve

Algebra ->  Probability-and-statistics -> SOLUTION: In a drawer there are 5 classical CDs and 4 Rock n Roll CDs. Armon randomly picks 3 CDs. What is the probability that he selected 2 classical and 1 Rock n Roll CD? Can you solve      Log On


   

Question 433570: In a drawer there are 5 classical CDs and 4 Rock n Roll CDs. Armon randomly picks 3 CDs. What is the probability that he selected 2 classical and 1 Rock n Roll CD?
Can you solve without using Combinations?
Answer by sudhanshu_kmr(1152) About Me  (Show Source):
You can put this solution on YOUR website!

probability = [ 5C2 * 4C1 ]/ 9C3
= 40 / 84
= 10/21