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Discrete maths problemcounting 
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#1
Feb505, 03:35 AM

P: 7

how many bit strings of length 8 contain either three consecutive 0s or four consecutive 1s?



#2
Feb505, 03:47 AM

Sci Advisor
HW Helper
P: 9,398

As ever inclusionexclusion: the number with 3 consecutive 0s plus the number with 4 consecutive 1s over counts by how many?



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