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Mathematics
Michael Lugo's user avatar
Michael Lugo's user avatar
Michael Lugo's user avatar
Michael Lugo
  • Member for 13 years, 11 months
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Data scientist and math blogger.

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96
What do $\pi$ and $e$ stand for in the normal distribution formula?
Mar 22, 2011
66
Why does the first 100,000 zeroes of the Riemann Zeta function have double-digit sequence count discontinuities at 00,11,22,33,44,55,66,77,88,99?
Jul 14, 2017
62
Find the average of $\sin^{100} (x)$ in 5 minutes?
Mar 2, 2011
50
Proving that $1$- and $2D$ simple symmetric random walks return to the origin with probability $1$
Jul 23, 2010
37
Probability of 3 people in a room of 30 having the same birthday
Mar 9, 2011
37
Can you answer my son's fourth-grade homework question: Which numbers are prime, have digits adding to ten and have a three in the tens place?
Sep 20, 2011
35
How are we able to calculate specific numbers in the Fibonacci Sequence?
Jul 21, 2010
27
If a prime number is reversed, and then appended to itself, why is the result always a composite number?
Jan 6, 2015
25
Is there a real number lookup algorithm or service?
Jul 21, 2010
25
Sum of First $n$ Squares Equals $\frac{n(n+1)(2n+1)}{6}$
Oct 28, 2011
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One of my students may be getting math.SE to do their homework
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90
If you break a stick at two points chosen uniformly, the probability the three resulting sticks form a triangle is 1/4. Is there a nice proof of this?
80
Teaching statements for math jobs?
78
Sum of 'the first k' binomial coefficients for fixed $N$
66
Why are powers of $\exp(\pi\sqrt{163})$ almost integers?
52
When are probability distributions completely determined by their moments?