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A committee is to be made up from a group of  candidates. The committee must consist of a chairman and some (not necessarily nonzero) number of members-at-large. How many ways can the committee be chosen? (For example, suppose that Alex is chair while Betty, Carl, and D'Angelo make up the committee. This counts as the same as Alex being chair while Carl, Betty, and D'Angelo make up the committee. It is not the same as Betty being the chair, with Alex, Carl, and D'Angelo making up the committee. It is also not the same as Alex being chair with the committee consisting of Betty and Carl.)

 

I don't really understand this problem

 Sep 13, 2022
 #1
avatar+117857 
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You have not proof read the question either.   A group of  howmany canditades?  A number is missing.

 Sep 21, 2022

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