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Computer Science · Oct / Nov 2023 · Paper 2 HL · Question 5

Not on the 2027 syllabusSpreadsheet models and probability from the old modelling option are not in the current syllabus.

IBCS

As printed in the paper

The question as text

5. Cattery5S is a cat adoption centre where potential cat owners are shown a series of cats one by one. The rules for choosing a cat are as follows: y The potential cat owner has five minutes to look at and interact with the cat. y The potential cat owner must either choose that cat or move to the next cat. y Once the potential owner has chosen a cat, they must adopt it and must not look at any more cats. y The potential cat owner can choose one cat only. If there are only two cats at the adoption centre, the potential cat owner must either choose the first cat or choose the second cat.

Read automatically from the paper; the printed page above is exact.

Show the answer and mark scheme
  • 5(a)[1]

  • 5(b)[1]

  • 5(c)[2]

  • 5(d)(i)[2]

  • 5(d)(ii)[3]

  • 5(e)[1]

  • 5(f)[6]

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