What Is the Probability of Obtaining a Sum of at Least

Multiple Choice

What is the probability of obtaining a sum of at least 6 when rolling a pair of dice?

A) $\frac { 31 } { 36 }$
B) $\frac { 5 } { 18 }$
C) $\frac { 13 } { 18 }$
D) $\frac { 1 } { 3 }$
E) $\frac { 5 } { 36 }$