There are 20 people who work together. Four of these people are selected to go t

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There are 20 people who work together. Four of these people are selected to go to the same conference together. How many such selections are possible?

Jun 26th, 2015

Thank you for the opportunity to help you with your question!

there are 4845 possible selections.


Please let me know if you need any clarification. I'm always happy to answer your questions.
Jun 26th, 2015

Thank you! Can I ask you how exactly you did this because I have more questions like it that I need to answer


Jun 26th, 2015

okay,, i will be posting in a few minutes


Jun 26th, 2015

from the knowledge of combination and permutation, 20C4=4845

Jun 26th, 2015

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Jun 26th, 2015
Jun 23rd, 2017
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