SOLUTION: A box contains 3 orange balls, 3 yellow balls, and 2 white balls. Three balls are selected without replacement. Find the probability of 2 yellow balls and a white ball.

Question 1173653: A box contains 3 orange balls, 3 yellow balls, and 2 white balls. Three balls are selected without replacement. Find the probability of 2 yellow balls and a white ball.
Answer by ikleyn(52786) (Show Source): You can put this solution on YOUR website!
.


The number of all possible triples of balls (independently of their colors) is

     =  = 56.



The number of favorable triples is

    . = 3*2 = 6.


THEREFORE, the probability under the problem's question is  P =  = .       ANSWER

Solved.

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To see many other similar solved problems, look into the lessons
- Elementary Probability problems related to combinations
- Elementary Probability problems related to combinations REVISITED
in this site.

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