Choose the One Alternative That Best Completes the Statement or Answers

Multiple Choice

Choose the one alternative that best completes the statement or answers the question.
-Find the probability of having 4 girls in a 4 -child family.

A) $\frac { 1 } { 16 }$
B) $\frac { 1 } { 32 }$
C) $\frac { 1 } { 4 }$
D) $\frac { 1 } { 8 }$