The mathematics of chance - from predicting the weather to working out your odds of picking a red sweet from a bag. This topic covers basic probability, combined events, and simple tree diagrams.
How likely is it?Probability is a number between 0 (impossible, like it snowing in Mvurwi in October) and 1 (certain, …
View Lesson"And" and "Or" rulesOR (either event): add the probabilities - like counting all the ways you could win a raffle …
View LessonMapping out possibilitiesA tree diagram is like planning a two-leg journey: each branch is a possible outcome of the first …
View LessonA die is rolled once. Find P(getting a 6).A bag has 4 green and 6 yellow balls. Find P(green).A card …
View Exercise Submit ExerciseA coin is tossed and a die rolled. Find P(tails and an even number).A bag has 3 red, 2 blue, …
View Exercise Submit ExerciseA bag has 4 red and 6 blue balls. A ball is drawn, replaced, and another drawn. Draw the tree …
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