platonic=: 4 6 8 12 20
sumtoss=: 13 :'+/ 1 + ? y $ platonic'

    (#,{.)/.~ sumtoss&500"0  i.200
2 2713
1 2853
2 2792
2 2804
3 2698
1 2643
1 2752
1 2757
1 2837
1 2868
...

Theoretical mean value of one toss:

    -: +/ +/ 100 * 1 1 1 1 1,: platonic
2750

Empirically obtained with a simulation run:

    (+/%#) sumtoss&500"0 i.200
2749.46



-- 
Met vriendelijke groet,
@@i=Arie Groeneveld

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