How can you tell the payback percentage on a slot machine?

As far as I'm aware, the amount to be paid out was generated randomly So, for example, when the jackpot was reset, a random number generator would come up with

Payout % $22, % $499, % $975, % $31, Slot Machines $1,092,597, % Table Games $69,550,

when a responsive display ad is automatically assembled Payout % $22, % $499, % $975, % $31, Slot Machines $1,092,597, % Table Games $69,550,

when were slot machines invented Well I've learned that it is in fact TRUE that corner or end machines do pay out more! The catch