Two Dice Are Rolled $\frac { 1 } { 6 }$

Multiple Choice

Two dice are rolled.
a. What is the probability that the sum of the dots on the upward faces is 7?
b. What is the probability that the sum of the dots on the upward faces is 13?
c. What is the probability that the sum of the dots on the upward faces is less than 16?
d. What is the probability that the sum of the dots on the upward faces is 4?

A) (a) $\frac { 1 } { 6 }$ ; (b) 0; (c) 1; (d) $\frac { 1 } { 18 }$
B) (a) $\frac { 7 } { 36 }$ ; (b) 1; (c) 0; (d) $\frac { 1 } { 12 }$
C) (a) $\frac { 1 } { 6 }$ ; (b) 0; (c) 1; (d) $\frac { 1 } { 12 }$
D) (a) $\frac { 7 } { 36 }$ ; (b) 1; (c) 0; (d) $\frac { 1 } { 18 }$
E) (a) $\frac { 1 } { 6 }$ ; (b) 1; (c) 0; (d) $\frac { 1 } { 18 }$