Talk:Nightmare Mode/@comment-121.131.96.204-20151230172736/@comment-173.79.249.178-20160208072118

His math is not wrong. What he described is not gambler's fallacy.

His probability of 1 drop in 100 runs = 1-(1-.0067)^100 =.49 or 49%.

That being said I wouldn't call not getting the drop with 50% success unlucky. Tough it does suck doing 100 runs to not get what you want.