luck of the draw vs randomness

luck of the draw

noun
  • The random production of favorable or unfavorable results; chance. 

randomness

noun
  • A type of circumstance or event that is described by a probability distribution. 

  • The property of all possible outcomes being equally likely. 

  • A measure of the lack of purpose, logic, or objectivity of an event. 

How often have the words luck of the draw and randomness occurred in a corpus of books? (source: Google Ngram Viewer )