<i>For example, slot machines in Nevada are only legally required to pay back 75% to players on average</i><p>The most important word in Vegas is that last one...average.<p>As long as <i>all</i> the machines in the house average 75% in payout, the house is in compliance.<p>What it means for the average player is that the low-denomination slots (nickel, quarter) can pay significantly <i>less</i> than 75%, and by setting a few high-denomination slots ($1&#x2F;$5&#x2F;$100) above 75%, everything comes out clean.<p>So it&#x27;s an even worse situation if you play the cheap slots.