https://oddsandendsnotebook.co.uk/about0.6https://oddsandendsnotebook.co.uk/expectation-is-not-a-session-result0.6https://oddsandendsnotebook.co.uk/how-the-house-edge-actually-works0.6https://oddsandendsnotebook.co.uk/1.0https://oddsandendsnotebook.co.uk/one-or-more-is-not-certainty0.6https://oddsandendsnotebook.co.uk/privacy0.6https://oddsandendsnotebook.co.uk/sources0.6https://oddsandendsnotebook.co.uk/online-casino-probability-question-guide2026-09-130.6https://oddsandendsnotebook.co.uk/session-length-and-chance-of-profit2026-09-210.6https://oddsandendsnotebook.co.uk/assets/editorial/research-updates/launch-content/odds-and-ends/assets/session-length-and-chance-of-profit.svgOriginal binomial calculation using NIST’s formula and hypothetical independent £1 trials with p = 0.49; strict profit excludes ties.