What Is the Probability of Flipping a Coin 8 Times $\frac{1}{8}$

Multiple Choice

What is the probability of flipping a coin 8 times and obtaining all heads?

A) $\frac{1}{8}$

B) $\frac { 255 } { 256 }$
C) $\frac { 1 } { 64 }$
D) $\frac { 1 } { 256 }$
E) $\frac{7}{8}$