Quelpr
2 marksMultiplication Rule for Independent Events

CSEC Additional Mathematics · 2013 · Paper 2 · Question 7(b)(v)

Two students are chosen at random from the class.

Determine the probability that both scored less than 50 on the exam.

This question uses a figure or table from the paper — you'll see it when you practise.

The mark scheme is shown once you've answered.

Practise this question

Other parts of this question

  1. 7(a)(i)Copy and complete the following tree diagram, by putting in all the missing probabilities, to show this information.[2 marks]
  2. 7(a)(ii)What is the probability that a customer pays for petrol with cash?[3 marks]
  3. 7(a)(iii)Determine which is the more likely event: Event T or Event V.[4 marks]
  4. 7(b)(i)State ONE advantage of using a stem and leaf diagram versus a box and whiskers plot to display the data.[1 mark]
  5. 7(b)(ii)Construct a stem and leaf diagram to show the data.[3 marks]
  6. 7(b)(iii)Determine the median mark.[2 marks]
  7. 7(b)(iv)Calculate the semi inter-quartile range of the marks.[3 marks]

More practice: the rest of this paper · more Multiplication Rule for Independent Events questions · all CSEC Additional Mathematics past papers