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2021 MI MYE P2 Q6

2021 MI MYE P2 Q6

7 marks
Mid Year Exam

Five girls and three boys stand in a queue in random order. Find the probability that

  1. all three boys stand next to each other,[2]
  2. no two boys stand next to each other,[2]
  3. all three boys stand next to each other given that at least two boys stand next to each other.[3]

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Answer:(i) \(\frac{3}{28}\) (ii) \(\frac{5}{14}\) (iii) \(\frac{1}{6}\)

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