Question

If you roll two dice, what is the probability that you would roll at least one 2

Answer 1

P(at least one 2) = 1 - P(no 2 on either die)

= 1 - (5/6)(5/6)

= 1 - 25/36 = 11/36

Answer 2

1/18 because there are 2 desired outcomes and 36 possibilities