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Jan
21
comment $96$ balls in $4$ boxes
I think this does not take into account the capacity of the box
Jan
20
comment How to solve this limit $\lim _{x\to 1}\left(\frac{\ln \left(\left|x-2\right|\right)}{\ln \left(x\right)}\right)$?
What about Taylor series?
Jan
20
revised Why do I get one extra wrong solution?
edited tags
Jan
19
answered Why do I get one extra wrong solution?
Jan
19
comment Why do I get one extra wrong solution?
In fact $x=2$ is also a wrong solution...it should be $x=4$
Jan
18
comment Round table seating probability question
please use latex
Jan
18
revised Round table seating probability question
edited tags
Jan
18
comment To find Radius of convergence of series $1 + \frac{1.x^2}{2.3} + \frac{1.3.x^4}{2.4.5} + \frac{1.3.5.x^6}{2.4.6.7} $
@SophieClad: Sorry, but it is not how it works on MSE. You must show all your attempts.
Jan
17
comment How to identify what probability distribution this is?
Yeah, what makes you think this is a pdf at all? Did you obtain it emprically?
Jan
14
comment Poisson distribution probabilities are not linear??
You can have 3 occasions in the second half for example
Jan
14
comment Poisson distribution probabilities are not linear??
4 per hour doesn't mean 2 per half-hour
Jan
14
comment Is $\lim_{n\to\infty}\frac{n(a_n-a_{n+1})}{a_{n+1}}=0$ if $\sum_{n\geq 1} a_n/n$ diverges?
@sirfoga: plug in $\frac{1}{n}$ into the limit you have: it does not converge to 0
Jan
14
comment Is $\lim_{n\to\infty}\frac{n(a_n-a_{n+1})}{a_{n+1}}=0$ if $\sum_{n\geq 1} a_n/n$ diverges?
simply use $a_n = \frac{1}{n}$ to see that the statement is wrong
Jan
13
comment Improper definite integral $\int_0^\infty e^{-x^2}(x + k)^\alpha dx$
wh do you think it exists in closed form at all?
Jan
13
revised finding the probability of not being answered more than two calls!
added 9 characters in body
Jan
12
comment Conditional probability - Proof
did you try law of total probability?
Jan
11
revised How to prove $\sum_{i=1}^ki^k(-1)^{k-i}\binom {k+1}{i} =(k+1)^k$
edited tags
Jan
10
answered Permutations- the number of six digit integers that are even
Jan
10
comment How far can you go with the fact that “powers beat logs”?
yes good point thanks
Jan
10
revised How far can you go with the fact that “powers beat logs”?
deleted 3 characters in body