2026 TPSS P1 Q18

2026 TPSS P1 Q18

Secondary 4
4 marks

The table shows the CCA chosen by a group of 30 students.

Uniform GroupPerforming Arts
Boys\(8\)\(3\)
Girls\(7\)\(12\)
  1. One of the students who is in the Uniform Group is chosen at random. Find the probability that this student is a boy.[1]
  2. Two girls are chosen at random. Find the probability that both girls are in the Performing Arts CCA.[1]
  3. Two students are chosen at random. Find the probability that at least one is from the Uniform Group CCA.[2]

Solution:

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Answer:(a) \(\dfrac8{15}\) (b) \(\dfrac{22}{57}\) (c) \(\dfrac{22}{29}\)

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