RTP estimates how much a game returns over a very large number of plays; it...

https://riverssmartchat.novacrestiq.com/posts/how-can-the-cfa-institute-framework-apply-to-casino-math

RTP estimates how much a game returns over a very large number of plays; it doesn’t predict your session. A game with 96% RTP has a 4% house edge on average over time