A box contains 5 red, 6 green and 7 yellow pencils of the same size.
MATHEMATICS
WAEC 2019
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. \(\frac{1}{2}\)
Correct Answer: C. \(\frac{1}{3}\)
Explanation
Pr(green) = \(\frac{6}{5 + 6 + 7}\)
= \(\frac{6}{18}\)
= \(\frac{1}{3}\)
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