sudden_death_test():
  Count the number of times a card was picked from a deck
  and then replaced, until card 0 was picked.

  Number of cards in deck is  10
        n  min      mean     max         std

      10    2      9.10      15        3.75
     100    1      9.62      56        9.85
    1000    1      9.82      82        9.24
   10000    1     10.00      89        9.49
  100000    1      9.96     100        9.46

  Number of cards in deck is  52
        n  min      mean     max         std

      10   21     51.80      73       18.53
     100    1     44.85     316       48.95
    1000    1     51.88     342       53.46
   10000    1     51.20     572       50.09
  100000    1     51.81     649       51.27