SOLUTION: Molly and Ming each purchase one raffle ticket. If a total of ten raffle tickets are sold and two winners will be selected, what is the probability that both Molly and Ming win?

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Question 1192985: Molly and Ming each purchase one raffle ticket. If a total of ten raffle tickets are sold and two winners will be selected, what is the probability that both Molly and Ming win?
Answer by ikleyn(52803) About Me  (Show Source):
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Molly and Ming each highlight%28cross%28purchase%29%29 purchases one raffle ticket. If a total of ten raffle tickets
are sold and two winners will be selected, what is the probability that both Molly and Ming win?
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Only one combination of the total of   C%5B10%5D%5E2 = %2810%2A9%29%2F2 = 45  combinations wins.

So the probability is   1%2F45.             ANSWER


Solved.

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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
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.