RTP is a game’s long-run average payout, not a promise for your session: 96%...

https://www.bookmark-step.win/rtp-is-a-long-run-average-96-rtp-means-a-4-house-edge-not-a-promise-for-one

RTP is a game’s long-run average payout, not a promise for your session: 96% RTP means a 4% house edge on average over time