9.59.3 Can you answer these questions?

9.59.3.1 How do I insert blank leaves on a probability tree diagram using TikZ?

https://tex.stackexchange.com/landing/r/digest?cta=question&id=694974

I have the below code that generates a basic probability tree. 
\documentclass{standalone} 
\usepackage{tikz} 
\begin{document} 
\begin{tikzpicture}[ 
grow=right, 
level distance=3cm, 
level 1/.style = {... 
[tikz-pgf] [diagrams] [tikz-trees] [trees] [statistics]
 

asked by DiamondPenguin https://tex.stackexchange.com/landing/r/digest?cta=user&id=303396 Score of 1

answered by MS-SPO https://tex.stackexchange.com/landing/r/digest?cta=user&id=245790 Score of 0

9.59.3.2 Interesting weird TikZ behaviour

https://tex.stackexchange.com/landing/r/digest?cta=question&id=695123

I was trying to draw a grid of points with the weights of the points as the average of x and y: 
\usepackage{tikz} 
... 
\begin{center} 
\begin{tikzpicture} 
\foreach \x in {1,2,3,4,5,6} { 
\... 
[tikz-pgf] [tikz-graphdrawing] [drawing]
 

asked by vishalpaudel https://tex.stackexchange.com/landing/r/digest?cta=user&id=303525 Score of 1

9.59.3.3 How to open multiple instances of TexStudio

https://tex.stackexchange.com/landing/r/digest?cta=question&id=694909

Normally, we can open a second window (instance) of TexStudio with the same .tex file by changing the file association for .tex files to include --start-always (see this post). 
However, after ... 
[texstudio]
 

asked by Eugene Zhang https://tex.stackexchange.com/landing/r/digest?cta=user&id=75077 Score of 1

answered by Eugene Zhang https://tex.stackexchange.com/landing/r/digest?cta=user&id=75077 Score of 0