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 Dec17 comment Proving measure of set is $0$ How are X and A defined? (I Assume X is a set on which the measure is defined and A a subset?) Jun26 comment Finding moment generating function from piecewise CDF The facts that $F(x)$ is zero for values smaller than $1$ and $\frac{1}{2}$ at $1$ imply the point mass. Where the cdf is differentiable the pdf is the derivative of the cdf. At 1 however, $F(x)$ ist not differentiable, as it has a "jump". Apr8 answered How often does it happen that the oldest person alive dies? Apr6 revised Finding moment generating function from piecewise CDF added 108 characters in body Apr6 answered Finding moment generating function from piecewise CDF Jan30 comment For what $f(n)$ does $O(f(n) \log n)=O(\log\log n)$? Are we even considering decreasing functions? Jan29 answered A real valued function on the complex plane taking a complex number to its real part is an Open map? Jan29 comment For what $f(n)$ does $O(f(n) \log n)=O(\log\log n)$? As far as I know there is no "slowest growing function" (apart from constants) as you can always take the log of it and make it even slower. Or take the inverse Ackermann and apply itself again, then log, then inverse Ackermann... it always gets slower and slower. But this does not solve the original problem. Jan28 answered For what $f(n)$ does $O(f(n) \log n)=O(\log\log n)$? Jan15 suggested rejected edit on Can you show why zero divided by zero does not equal zero? Jan15 awarded Supporter Jan11 comment Multiplication of a random variable with constant Thanks for pointing out the missing "$E$". Jan11 revised Multiplication of a random variable with constant added 1 characters in body Jan11 awarded Editor Jan11 revised Multiplication of a random variable with constant added 256 characters in body Jan11 answered Multiplication of a random variable with constant Jan10 awarded Teacher Jan10 answered How can the empty set be open in the definition of the cofinite topology? Jan10 answered What's the relationship between interior/exterior/boundary point and limit point?