Solve the Problem $\frac { 2 } { 3 }$ Probability of Passing on Brown Eyes to Their Children

Multiple Choice

Solve the problem.
-A husband and wife have a $\frac { 2 } { 3 }$ probability of passing on brown eyes to their children. If they have three children, what is the probability that the children will all have brown eyes?

A) $\frac { 19 } { 27 }$
B) $\frac { 2 } { 3 }$
C) $\frac { 8 } { 9 }$
D) $\frac { 8 } { 27 }$