Chi distribution - Wikipedia

Half-normal distribution - Wikipedia

Chi-square distribution introduction, Probability and Statistics

Maxwell–Boltzmann distribution - Wikipedia

A Gentle Introduction to Statistical Data Distributions

2 (a) Write a chisquarevariate(k) function in Python

A Brief Survey of Probability Distributions and their Uses, by Avinash Saravanan （アビナッシュ・サラバナン）

Beta Distribution — Intuition, Examples, and Derivation, by Ms Aerin

Rice distribution - Wikipedia

Probability for Data Scientists: The Capable Chi-Squared Distribution, by Kate Wall