A random variable X is a quantity that can take on values randomly according to a probability ( X ? x), where x is a selected value. The probability (X ?x) gives a scalar value on the interval [0,1] ...
The probability density function measures continuous variables. Having said that, it's important to note that stock and investment returns are generally not continuous random variables.
Bayes' theorem. Repeated trials. Continuous and discrete random variables and their probability distribution and density functions. Functions of random variables and their distribution and density ...