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 \(\frac{1}{2}\)
waec 2019mathematics

The correct answer is C. \(\frac{1}{3}\)

Pr(green) = \(\frac{6}{5 + 6 + 7}\)

= \(\frac{6}{18}\) 

= \(\frac{1}{3}\)

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