confidenceinterval

the Dungeon
(0, 0, D)
  a +0,+0 bow
  20 arrows
(1, 0, D)
  a hippogriff corpse
(2, 0, D)
  an arrow
(8, 0, D)
  a +0,+0 giant club
(12, 0, D)
  a +1 orcish chain mail
(13, 0, D)
  a +0 dwarven helmet
(14, 0, D)
  a +0 helmet
(15, 0, D)
  a +2,+2 scimitar of holy wrath
  a +0,+0 lajatang
  a +2,+2 halberd of protection
  a +2,+2 morningstar of crushing
  a +2,+0 broad axe of chopping
  a +2,+2 sabre of electrocution
(16, 0, D)
  an uncursed staff of energy
(17, 0, D)
  2 scrolls of amnesia
(43, 0, D)
  a +0,+0 club
(48, 0, D)
  a goblin skeleton
(49, 0, D)
  a +0,+0 club