Brad and Laura are playing a board game. in the game a player rolls two standard number cubes to move his or her game piece along a path on the board on the first three terms in a game both number cubes land on six each turn. The theoretical probability of rolling a six on both number cubes three times in a row is 1 / blank? Based on the probability of rolling a six on both number cubes three times in a row Brad and Laura blank (are /are not) likely using unfair number cubes. ​