What Is the Probability of Obtaining at Least One Head $\frac { 2 } { 3 }$

Multiple Choice

What is the probability of obtaining at least one head in 3 flips of a coin?

A) $\frac { 2 } { 3 }$
B) $\frac{1}{8}$

C) $\frac{7}{8}$
D) $\frac{8}{9}$
E) $\frac { 1 } { 3 }$