Evaluate the Expression $\left( \frac { 25 } { 36 } \right) ^ { 1 / 2 }$

Multiple Choice

Evaluate the expression.
- $\left( \frac { 25 } { 36 } \right) ^ { 1 / 2 }$

A) $\frac { 25 } { 6 }$
B) not a real number
C) $\frac { 5 } { 36 }$
D) $\frac { 5 } { 6 }$