There are 8 boys and 4 girls in a lift. What is the probability that the first person who steps out of the lift will be a boy?

  • A \(\frac{1}{6}\)
  • B \(\frac{1}{4}\)
  • C \(\frac{2}{3}\)
  • D \(\frac{1}{2}\)
waec 2019mathematics

The correct answer is C. \(\frac{2}{3}\)

Total number of people in the lift = 8 boys + 4 girls

= 12 people

probability that a boy comes out = \(\frac{8}{12}\) = \(\frac{2}{3}\)

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