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Paste #p460cdb5j

  1. sample space:
  2. M = male
  3. F = female
  4. C = croak
  5.  
  6. MC + M
  7. MC + F
  8. FC + M
  9. FC + F
  10. M + MC
  11. M + FC
  12. F + MC
  13. F + FC
  14.  
  15. females can't croak though, so:
  16.  
  17. MC + M
  18. MC + F
  19. M + MC
  20. F + MC