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Lessons for this topic haven’t been written yet. The objectives below show exactly what the syllabus expects, so you can plan with them in the meantime.
What Cambridge says you should be able to do, in our words. Codes are the topic number plus the objective’s position.
Understand the concept of a continuous random variable, and recall and use the properties of a probability density function.
For density functions defined over a single interval only; the domain may be infinite, e.g. 3/x⁴ for x ≥ 1.
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Use a probability density function to solve problems involving probabilities, and to calculate the mean and variance of a distribution.
Includes locating the median or other percentiles of a distribution by directly considering an area using the density function. Explicit knowledge of the cumulative distribution function is not included.
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