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O-LevelMathematicsProbability4024/12 · May/June 2018 · Q122 Marks

A dice is thrown 400 times. The results are shown in the table. Number thrown: 1, 2, 3, 4, 5, 6 Frequency: 65, 80, 70, 75, 50, 60

  1. (a)Find the relative frequency of throwing the number 2.[1]
  2. (b)Imran throws the dice 1000 times. How many times would you expect the number 2 to be thrown?[1]

Mark scheme

Marking points from the official mark scheme (May/June 2018). The mark or mark type is shown in brackets.

  1. [1] 80/400 oe
  2. [1] 200 FT (their(a)) × 1000 where 0 < their (a) < 1

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About this question

Topic
Probability, O-Level Mathematics (syllabus 4024). Structured question, 2 marks.
Source
O-Level Mathematics, May/June 2018 Paper 1 Variant 2, question 12.

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