Simulation to determine (roughly) odds of getting all sour patch kids colors in a pack.

Sourpatch.rb

class Pack

  attr_accessor :pieces
  COLORS = [:blue, :green, :yellow, :red]

  def initialize
    @pieces = (1..6).map{|_| COLORS.sample }
  end

  def has_all?
    COLORS.all?{|c| @pieces.include?(c) }
  end

end


(1..10000).map{|_| Pack.new.has_all? }.select{|x| x}.count