CSEC Mathematics · January 2009 · Paper 2 · Question 7(d)
What is the probability that a student chosen at random had a mark less than or equal to 30?
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Practise this questionOther parts of this question
- 7(a)Copy and complete the table to show the cumulative frequency for the distribution.[2 marks]
- 7(b)(i)Using a scale of 1 cm to represent 5 marks on the horizontal axis and 1 cm to represent 5 students on the vertical axis, draw the cumulative frequency curve…[5 marks]
- 7(b)(ii)What assumption have you made in drawing your curve through the point (0,0)?[1 mark]
- 7(c)Use your graph to determine the number of students who passed the test.[2 marks]
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