What you’ll learn2 learning objectivesChoose one objective for a focused lesson, or study the complete topic.6.3.1Continuous random variables• understand the concept of a continuous random variable, and recall and use properties of a probability density function For density functions defined over a single interval only; the domain may be infinite, e.g. x 3 4 for x 1H.Syllabus objective6.3.2Density functions• use a probability density function to solve problems involving probabilities, and to calculate the mean and variance of a distribution. Including location of the median or other percentiles of a distribution by direct consideration of an area using the density function. Explicit knowledge of the cumulative distribution function is not included.Syllabus objective