a) How long will it take to roll "snake-eyes" (a pair of ones) ?
b) What is the probability of rolling a sum of 7 on the first roll?
c) What is the probability of rolling a sum of 7 on the fourth roll?
d) What is the probability of rolling a sum of 7 by the fourth roll?
e) What is the probability of it taking more than 10 rolls to roll the sum of 7?
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Home » Mathematics » Roll two 6-sided dice and examine their sum. a) How long will it take to roll "snake-eyes" (a pair of ones) ? b) What is the probability of rolling a sum of 7 on the first roll? c) What is the probability of rolling a sum of 7 on the fourth roll?