O/L Mathematics · Theory Notes

Probability

Learn the key concepts of Probability for O/L Mathematics, explained simply · Aligned with the NIE syllabus

Where this fits in the syllabus

Grade 10 · Term 3 · Grade 11 · Term 3

What you'll learn

Learn the key concepts of Probability for O/L Mathematics, explained simply

About O/L Mathematics: O/L Mathematics covers number systems, algebra, geometry, trigonometry, and statistics across Grade 10 and 11.

Every day you weigh chances without noticing: will it rain before you reach home, which cricket team is likelier to win, is it worth buying one more lottery ticket. Probability is the branch of maths that turns "probably" and "unlikely" into exact numbers you can compute and compare. At O/L it is a reliable source of marks, and beyond school it underpins insurance, medicine, weather forecasting and quality control — anywhere people must plan sensibly under uncertainty.

Source: Idasara knowledge pack — english/OL_10/mathematics v17, short_notes: Lesson 29 - Probability

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