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spektr
  • Member for 7 years, 8 months
  • Last seen more than a week ago
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4 votes
1 answer
52 views

Probability terminology: determining events based on random variable evaluations

3 votes
2 answers
175 views

Analysis of Coupon Collector variant with diminishing probabilities of finding a new coupon

2 votes
1 answer
112 views

Combinatorial proof of $\sum_{k=n}^{q-m} \binom{k}{n} \binom{q-k}{m} = \binom{q+1}{m+n+1}$

2 votes
1 answer
84 views

Sum $\frac{1}{2}\sum_{\substack{n = 1 \\n \text{ odd}}}^{\infty} \sum_{k=0}^n \frac{x^k}{k!} \frac{x^{n-k}}{(n-k)!}$

2 votes
0 answers
93 views

Concentration inequality for of sum of iid Geometric random variables taken to some power

1 vote
1 answer
51 views

Closed form for Chu–Vandermonde identity-like summations

1 vote
1 answer
42 views

Probability a random number $M$ is not a factor of $N$

1 vote
0 answers
307 views

Signed volume of $n$-simplex

1 vote
1 answer
64 views

Minimizer of parametrized convex function

1 vote
0 answers
67 views

Expectation Claim for Random Variable based on maximum operation

1 vote
1 answer
119 views

Probability for Minimum of Random Permutation

0 votes
1 answer
45 views

Approximate sum of $n$ elements as $n$ gets large

0 votes
0 answers
461 views

Concentration inequality of $L$-Lipschitz function of Gaussian Random Variables

0 votes
2 answers
57 views

Approximating nonlinear first order recurrence with differential equation

0 votes
0 answers
67 views

Proving convexity of non-smooth function using smooth approximation