The machine with the greatest probability of winning is played the following two conditions hold: (a) the difference in the probabilities for winning is less than .08, and (b) the ratio of the number ...The machine with the greatest probability of winning is played the following two conditions hold: (a) the difference in the probabilities for winning is less than .08, and (b) the ratio of the number of times played on the more often played machine to the number of times played on the less often played machine is greater than 1.4.