SOLUTION: A group is to be chosen from 5 people. How many ways can four people be selected?
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Question 1138073
:
A group is to be chosen from 5 people. How many ways can four people be selected?
Answer by
ikleyn(52798)
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A group of four person can be selected from 5 people in
= 5 ways.
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It is about 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.
