SOLUTION: An urn has 10 balls that are identical except that 5 are white and 5 are red. A sample of 6 is selected randomly without replacement. What is the probability that exactly 4 are wh

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Question 1153114: An urn has 10 balls that are identical except that 5 are white and 5 are red. A sample of 6 is selected randomly without replacement.
What is the probability that exactly 4 are white and 2 are red?
Answer by ikleyn(52824) About Me  (Show Source):
You can put this solution on YOUR website!
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The probability  P = %28C%5B5%5D%5E4%2AC%5B5%5D%5E2%29%2FC%5B10%5D%5E6.

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This problem is on COMBINATIONS.

On Combinations,  see introductory lessons
    - Introduction to Combinations
    - PROOF of the formula on the number of Combinations
    - Problems on Combinations
    - OVERVIEW of lessons on Permutations and Combinations
in this site.

Also,  you have this free of charge online textbook in ALGEBRA-II in this site
    - ALGEBRA-II - YOUR ONLINE TEXTBOOK.

The referred lessons are the part of this online textbook under the topic  "Combinatorics: Combinations and permutations".


Save the link to this textbook together with its description

Free of charge online textbook in ALGEBRA-II
https://www.algebra.com/algebra/homework/complex/ALGEBRA-II-YOUR-ONLINE-TEXTBOOK.lesson

into your archive and use when it is needed.