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ZIMSEC O-Level Additional Mathematics

6.2.1Probability

Probability in ZIMSEC O-Level Additional Mathematics: what the syllabus expects you to know, the learning objectives and how to practise.
Topic79 practice questions4 lessons

In this topic

Lessons

  • Probability language: sample spaces, events and Venn diagrams

    40 min

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  • Approaches to probability: classical, experimental and subjective

    35 min

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  • Addition and product rules, outcome tables and tree diagrams

    45 min

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  • Conditional probability

    45 min

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Sample question

A sample question on this topic. Answer it, check it, then read the worked answer.

Probability: sample question

1 mark

At a clinic, the probability that the next patient is seen by Dr Moyo is 0.28 and the probability that the patient is seen by Dr Ncube is 0.37. A patient is seen by only one doctor. Find the probability that the next patient is seen by Dr Moyo or Dr Ncube.

Only if the answer has a unit, e.g. cm or km/h.

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