The Measurement Is $11 \frac { 4 } { 28 }$

Multiple Choice

The measurement is $11 \frac { 4 } { 28 }$ in. Find the precision and the greatest possible error of the measurement.

A) $\frac { 1 } { 28 }$ in., $\frac { 1 } { 28 }$ in.
B) $\frac { 1 } { 28 }$ in., $\frac { 1 } { 56 }$ in.
C) $\frac { 1 } { 56 }$ in., $\frac { 1 } { 28 }$ in.
D) $\frac { 1 } { 56 }$ in., $\frac { 1 } { 56 }$ in.
E) none of these