--- In vpFREE@yahoogroups.com, Albert Pearson <ehpee@...> wrote:
> Here is how to design a single reel slot machine
> with only two outcomes and with payback = 95%.
>
> Let L and W represent the # of losing and winning symbols respectively.
>
> We need to solve the two following simultaneous equations to
> determine the values for L and W.
>
> 1) L + W = 100
> 2) L - W = 5 or L = W + 5
>
> substituting W + 5 into equation 1) in place of L gives:
> W + 5 + W = 100
> which simplifies to:
> 2W = 95 or W = 47.5
> and therefore L = 52.5
>
> Since you physically can't have 47.5 or 52.5
> symbols on a reel, double those values to 95
> and 105 respectively.
>
>
There was actually a three-reel slot machine along these lines. It was called "Sevens or Nothing." You either hit the three red sevens and got paid 100 for 1, or you lost.
