fsaforo2017 fsaforo2017
  • 24-05-2017
  • Mathematics
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How many bit strings of length 12 contain exactly three "1s"

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LammettHash
LammettHash LammettHash
  • 25-05-2017
There are [tex]\dbinom{12}3=220[/tex] such strings, provided that the ordering of the bits doesn't matter.
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logangraff logangraff
  • 31-05-2017
i  am     not     sure    of    the     answer    
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