https://tube.cosmicflow.space/videos/watch/419f6350-3645-44e7-a451-e0d42e0bccd4 We discuss transformations of r.v.s (change of variables), the LogNormal distribution, and convolutions (sums). As a bonus, we show how in certain problems one can use probability to prove existence. Fri, 11 Sep 2026 07:42:30 GMT https://validator.w3.org/feed/docs/rss2.html PeerTube - https://tube.cosmicflow.space https://tube.cosmicflow.space/lazy-static/avatars/8891227d-e60f-40aa-88be-4c856c6a73dc.png https://tube.cosmicflow.space/videos/watch/419f6350-3645-44e7-a451-e0d42e0bccd4 All rights reserved, unless otherwise specified in the terms specified at https://tube.cosmicflow.space/about and potential licenses granted by each content's rightholder.