Morgan rolls a number cube, twice. If the number 1 shows up at least once, Morgan wins. Otherwise, Jaclyn wins. How much greater is the probability that Morgan will win compared to Jaclyn winning?

Question

A)1/3 B)7/18 C)4/9 D)2/3

Answer 1

1 2 3 4 5 6 first die

1 1 1 1 1 1 second die
2 2 2 2 2 2
3 3 3 3 3 3
4 4 4 4 4 4
5 5 5 5 5 5
6 6 6 6 6 6

total of 36 possibles
the number one shows up 11 times

36 -11 = 25 times no ones

11/36 -25/36 = - 14/36 = -7/18