A Group of 10 Male and 8 Female Students Is $\frac { 1 } { 18 }$

Multiple Choice

A group of 10 male and 8 female students is talking about going out for pizza. If 50% of the male students actually go and 25% of the female students actually go, find the
Probability that a random student who goes out for pizza is female.

A) $\frac { 1 } { 18 }$
B) $\frac { 1 } { 8 }$
C) $\frac { 4 } { 5 }$
D) $\frac { 2 } { 7 }$