16-reel slot machines

2. Case B different numbers of stops and symbol distributions on the reels

         2.1  Event   A specific symbol four times on a payline

            The probability of  is , where  are the basic probabilities of that symbol occurring on the reels respectively.

        2.3  Event   A specific symbol exactly three times on a payline

            The probability of  is ,where  are the basic probabilities of that symbol occurring on the reels respectively.

        2.5  Event   Any combination of two specific symbols on a payline

            The probability of  is

, where  are the basic probabilities of the two symbols occurring on the reels respectively.