4.37.3 Can you answer these questions?

4.37.3.1 "Esami" package: random extraction from a set of elements?

https://tex.stackexchange.com/landing/r/newsletter?cta=question&id=456289

I am trying to give randomness to a test with the "esami" package and the command "randestrai" was promising. I wanted to pick some random prime numbers so I wrote 
\randestrai{3,5,7,11}{alpha} 
... 
[random-numbers] [random] [esami]
 

asked by Marco Disce https://tex.stackexchange.com/landing/r/newsletter?cta=user&id=49676 1 vote

4.37.3.2 Section Design for Poetry Book

https://tex.stackexchange.com/landing/r/newsletter?cta=question&id=455894

After finishing my thesis I am starting to write a book with all my poems.  Due to my thesis I am used to scrbook class and can handle koma script a bit. But I fail at adjusting the section headings.  ... 
[tikz-pgf] [sectioning] [koma-script] [poetry]
 

asked by Lysanne https://tex.stackexchange.com/landing/r/newsletter?cta=user&id=141557 1 vote

4.37.3.3 How to express vector multiply distribution by equation?

https://tex.stackexchange.com/landing/r/newsletter?cta=question&id=456329

I have a distribution of sale count of 24 hours , data would like {0:20, 1:40, 2:22, .... , 23:9}, let's say Q. 
I have an hour array [2,4,6,22] as a, means [2,4,6,22] hours in a day. 
I want to get  ... 
[equations] [distributions]
 

asked by Mithril https://tex.stackexchange.com/landing/r/newsletter?cta=user&id=173017 1 vote