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ZIMSEC O-Level Additional Mathematics

6.2.1.4Conditional probability

Conditional probability in ZIMSEC O-Level Additional Mathematics: what the syllabus expects you to know, the learning objectives and how to practise.
Subtopic21 practice questions1 lesson
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Learning objectives

What the syllabus expects you to be able to do.

  1. 6.2.1.4.1Form 4: define conditional probability and solve problems involving it.

Lessons

  • 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.

Conditional probability: sample question

1 mark

P(A∩B)=0.18P(A \cap B) = 0.18 and P(B)=0.45P(B) = 0.45. Find P(A∣B)P(A \mid B).

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

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