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Category > Statistics Posted 09 May 2017 My Price 3.00

Consider a group of 20 people.

Consider a group of 20 people. If everyone shakes hands with everyone else, how many handshakes take place?

 

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Status NEW Posted 09 May 2017 09:05 AM My Price 3.00

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file 1494322413-Answer.docx preview (103 words )
C-----------ons-----------ide-----------r a----------- gr-----------oup----------- of----------- 20----------- pe-----------opl-----------e. -----------If -----------eve-----------ryo-----------ne -----------sha-----------kes----------- ha-----------nds----------- wi-----------th -----------eve-----------ryo-----------ne -----------els-----------e, -----------how----------- ma-----------ny -----------han-----------dsh-----------ake-----------s t-----------ake----------- pl-----------ace-----------? -----------Ans-----------wer----------- T-----------he -----------num-----------ber----------- of----------- ha-----------nds-----------hak-----------es -----------wil----------- be----------- a -----------com-----------bin-----------ati-----------on -----------of -----------20 -----------peo-----------ple----------- ta-----------ken----------- 2 -----------at -----------a t-----------ime-----------. -----------The-----------ref-----------ore-----------, N-----------umb-----------er -----------of -----------han-----------dsh-----------ake-----------s =----------- 2-----------0C2-----------  -----------  -----------  -----------  -----------  -----------  -----------  -----------  -----------  -----------  -----------  -----------  -----------  -----------  -----------  -----------  -----------  -----------  -----------  -----------  -----------  -----------  -----------  -----------  -----------  -----------  -----------  -----------  -----------  -----------  -----------  -----------  -----------  -----------= 2-----------0 x----------- 19-----------/2 -----------  -----------  -----------  -----------  -----------  -----------  -----------  -----------  -----------  -----------  -----------  -----------  -----------  -----------  -----------  -----------  -----------  -----------  -----------  -----------  -----------  -----------  -----------  -----------  -----------  -----------  -----------  -----------  -----------
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