SOLUTION: The organizer of a conference is selecting workshops to include. She will select from 7 workshops about genetics and 6 workshops about ethics. In how many ways can she select 5 wor

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Question 1159930: The organizer of a conference is selecting workshops to include. She will select from 7 workshops about genetics and 6 workshops about ethics. In how many ways can she select 5 workshops if 3 or more must be about genetics?
Answer by ikleyn(52781) About Me  (Show Source):
You can put this solution on YOUR website!
.

    C%5B7%5D%5E3%2AC%5B6%5D%5E2 + C%5B7%5D%5E4%2AC%5B6%5D%5E1 + C%5B7%5D%5E5%2AC%5B6%5D%5E0.     ANSWER

You do all necessary calculations . . .

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On Combinations,  see the lessons
    - Introduction to Combinations
    - PROOF of the formula on the number of Combinations
    - Problems on Combinations
    - Problems on Combinations with restrictions
    - Fundamental counting principle problems
    - 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.