Mathematics
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ithisa
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All Questions Answers
Score Newest
question
30
Proof that the hypergeometric distribution with large $N$ approaches the binomial distribution.
Mar 14, 2013
question
18
Combinatorial proof of $\sum^{n}_{i=1}\binom{n}{i}i=n2^{n-1}$.
May 11, 2013
question
13
Deducing a probability distribution from its moment-generating function
Apr 7, 2013
question
13
Show that triangle-free planar graphs are four-colorable
Jul 28, 2013
question
11
Seating of $n$ people with tickets into $n+k$ chairs with 1st person taking a random seat
Jan 30, 2013
question
8
Contradiction in the rules regarding determinants and row operations?
Mar 21, 2013
question
8
Proving that a "prime graph" is connected
Aug 1, 2013
question
7
Proving that G contains a cycle with at least $k+1$ edges
Jul 1, 2013
question
7
Is probability and the Law of Large Numbers a huge circular argument?
Aug 15, 2013
question
6
What's so special about a 2D plane in graph theory?
Jul 17, 2013
Top network posts
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67
Why are military drones shaped so strangely?
50
Why do oppressive regimes cheat in the election process rather than simply faking the results?
37
Why is plain-hash-then-encrypt not a secure MAC?
36
Why are Python and Ruby so slow, while Lisp implementations are fast?
35
Why are listed times of useful consciousness so low?

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