Marlena has a bag of coins. The bag contains 8 quarters, 10 dimes, 4 nickels, and 2 pennies. She will randomly select a coin from the bag. What is the probability that Marlena will select a nickel?

A.\(\frac{1}{12}\) B.\(\frac{1}{3}\) C.\(\frac{1}{6}\) D.\(\frac{1}{5}\)