O-LevelMathematicsProbability4024/11 · Oct/Nov 2019 · Q203 Marks

The table shows the results when a dice is thrown 300 times. | Number on dice | 1 | 2 | 3 | 4 | 5 | 6 | |---|---|---|---|---|---|---| | Frequency | 55 | 42 | 45 | p | 50 | q | The relative frequency of throwing a 4 is 0.2 .

(a)Find the value of p and the value of q.[2]
(b)How many times would you expect to throw a 2 when this dice is thrown 1000 times?[1]

Mark scheme

Marking points from the official mark scheme (Oct/Nov 2019). The mark or mark type is shown in brackets.

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Topic: Probability, O-Level Mathematics (syllabus 4024). Structured question, 3 marks.
Source: O-Level Mathematics, Oct/Nov 2019 Paper 1 Variant 1, question 20.

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