GMAT question - The probability that a certain coin turns up heads w...

Type: Problem Solving

Difficulty: 4 star rating

The probability that a certain coin turns up heads when it is flipped is \(\frac{1}{2}\). If this coin is flipped 3 times then what is the probability that heads turns up at least twice?

\[\frac{1}{8}\]
\[\frac{1}{3}\]
\[\frac{1}{2}\]
\[\frac{3}{4}\]
\[\frac{7}{8}\]