GRADE 12 · MATHEMATICS · TOPIC 12

Probability and Bayes

Conditional probability updates likelihood using given information.

CONCEPT EXPLAINED

Understand the concept

Conditional probability updates likelihood using given information.

SOLVED EXAMPLE

Bag has 3 red and 2 blue balls. Probability of red?

  1. Step 1: 3 favourable outcomes out of 5.

Final answer: 3/5

PRACTISE YOURSELF

Probability of blue

Show the answer

2/5

Try another similar question and explain each step aloud. Refer to your school syllabus for topic level and notation.