A Dodecahedral Die Has 12 Sides Numbered from 1 to 12

Multiple Choice

A dodecahedral die has 12 sides numbered from 1 to 12. The die is rolled once.
a. What is the probability that the upward face shows a number divisible by 2?
b. What is the probability that the upward face shows a number that is a multiple of 11?

A) (a) $\frac { 1 } { 2 }$ ; (b) $\frac { 1 } { 12 }$
B) (a) $\frac { 1 } { 4 }$ ; (b) $\frac { 1 } { 24 }$
C) (a) $\frac { 1 } { 4 }$ ; (b) $\frac { 1 } { 12 }$
D) (a) $\frac { 1 } { 2 }$ ; (b) $\frac { 1 } { 24 }$
E) (a) $\frac { 1 } { 2 }$ ; (b) $\frac { 1 } { 6 }$