Mathematics

Taniyah

31 August, 16:52

Joanie rolls two 1-6 number cubes 80 times. is it likely she will roll a sum of 5 more than 12 times?

F yes, because the probability of rolling a sum of 5 is 1/6 and 1/6*80=13 1/3 which is more than 12.

G. yes, because the probability of rolling a sum of 5 is 1/4 and 1/4*80=20 which is more than 12.

H. no, because the probability of rolling a sum of 5 is 1/10 and 1/10*80=8 which is less than 12.

J. no, because the probability of rolling a sum of 5 is 1/9 and 1/9*80=8 8/9 which is less than 12.