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 2d awarded Notable Question Jan 27 awarded Popular Question Jan 27 awarded Notable Question Jan 19 awarded Notable Question Dec 25 awarded Popular Question Oct 21 awarded Notable Question Oct 10 comment What is the probability that the number of zeros of a binary sequence with length $m$ is at least $q$? With $x$ you mean $x'$? Oct 10 accepted What is the probability that the number of zeros of a binary sequence with length $m$ is at least $q$? Oct 10 comment What is the probability that the number of zeros of a binary sequence with length $m$ is at least $q$? Question 3: Is your s.d. calculation correct? It seems to be too low (I assume we miss an $x$ in the calculation. Oct 10 comment What is the probability that the number of zeros of a binary sequence with length $m$ is at least $q$? Another question: is there a reason that you use $x$ instead of $x'$ ? Oct 10 comment What is the probability that the number of zeros of a binary sequence with length $m$ is at least $q$? Thanks for your update. Actually in my problem we have $n'$ elements that don't have value 0 and $m'-n'$ values that do have value 0. But I guess that your answer is correct if we have $n'$ zeros and $m'-n'$ elements that dont have value 0 Oct 10 revised What is the probability that the number of zeros of a binary sequence with length $m$ is at least $q$? edited body Oct 10 comment What is the probability that the number of zeros of a binary sequence with length $m$ is at least $q$? I added the hexadecimal (actually my 'real' problem) part to my question in bold. What I want is to do operations on a file of $m'>1000$ hexadecimal values (where a hexidecimal value is treated as a unit). Oct 10 revised What is the probability that the number of zeros of a binary sequence with length $m$ is at least $q$? added 104 characters in body Oct 10 revised What is the probability that the number of zeros of a binary sequence with length $m$ is at least $q$? added 104 characters in body Oct 8 comment What is the probability that the number of zeros of a binary sequence with length $m$ is at least $q$? Can we just multiply all variables ($m,n,x,q$) by 4 if we actually have a sequence of hexadecimal values (as in 4 bits we can store a hexidecimal value)? Oct 8 comment What is the probability that the number of zeros of a binary sequence with length $m$ is at least $q$? Yes thanks! .. ... Oct 7 comment What is the probability that the number of zeros of a binary sequence with length $m$ is at least $q$? I think you made a small mistake with the symbols right? Oct 7 comment What is the probability that the number of zeros of a binary sequence with length $m$ is at least $q$? Wow, great creative approach. Very good. Thank you very much Oct 7 revised What is the probability that the number of zeros of a binary sequence with length $m$ is at least $q$? added 194 characters in body