SOLUTION: There are 7 girls and 6 boys in a class. Suppose five children are randomly chosen to decorate the game room. What is the probability that three girls and two boys are chosen?

Algebra ->  Probability-and-statistics -> SOLUTION: There are 7 girls and 6 boys in a class. Suppose five children are randomly chosen to decorate the game room. What is the probability that three girls and two boys are chosen?      Log On


   



Question 370529: There are 7 girls and 6 boys in a class. Suppose five children are randomly chosen to decorate the game room. What is the probability that three girls and two boys are chosen?
Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
There are 7 girls and 6 boys in a class. Suppose five children are randomly chosen to decorate the game room. What is the probability that three girls and two boys are chosen?
----
# of ways to pick 3 girls and 2 boys: 7C3*6C2 = 525
----
# of ways to pick 5 childred randomly: 13C5 = 1287
-----------------
P(selecting 3g and 2b) = 525/1287
==============================
Cheers,
Stan H.