1)a pair of dice are rolled together till a sum of either 5 or 7 is obtained. then the probability that 5 comes before 7 is
2)when a pair of dice are rolled probability of obtaining a total score of 5 or 7 is
1)a pair of dice are rolled together till a sum of either 5 or 7 is obtained. then the probability that 5 comes before 7 is
2)when a pair of dice are rolled probability of obtaining a total score of 5 or 7 is










