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2 marksProportion/Percentage from Data

CSEC Mathematics · Question 5(b)(ii)

An incomplete table shows the results obtained by 200 boys and 250 girls on a Spanish examination, categorized by grade.

What percentage of the boys who took the exam achieved Grades I to III?

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Other parts of this question

  1. 5(a)(i)If this information is to be represented on a pie chart, what is the angle for the sector that will represent O-Fone?[2 marks]
  2. 5(a)(ii)Using the circle below, with radius shown, represent the information in the table above on a clearly labelled pie chart.[3 marks]
  3. 5(b)(i)A girl is chosen at random. Determine the probability that she achieves a Grade I.[1 mark]
  4. 5(b)(iii)Considering the standard deviations in the table on page 18, compare the performance of the boys and the girls.[1 mark]

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