11. An auditor has been assigned the task of inspecting the dice used in a local gaming resort. A fair die show's a 6 face up one-sixth of the time. In order to determine if a die for a particular game is fair, he must observe a long number of trials and record the proportion of the time that the die lands showing a 6 facing up. The graph below shows the cumulative proportion of sixes that are rolled for 100 consecutive trials of a particular game.​