Summary: ,000 hands and a straight flush in about 9,000 hands. That results in about a 63% chance of getting at least one royal flush and about a 27% chance of getting two in the same 40,000 hands. It typically takes about 80 hours of play at a casino such as Casino Las Vegas to reach those 40,000 hands, which could range from 2 weeks or 2 months depending on how often and how long
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