A box contains 5 red, 6 green and 7 yellow pencils of the same size. What is the probability of picking a green pencil at random?
A
\(\frac{1}{6}\)
B
\(\frac{1}{4}\)
C
\(\frac{1}{3}\)
D
\(\frac{1}{2}\)
Verified Correct Answer: C.
Step-by-Step Mathematical Solution
Pr(green) = \(\frac{6}{5 + 6 + 7}\)
= \(\frac{6}{18}\)
= \(\frac{1}{3}\)
Source: Myschool Past Questions Archive (Record #57385)