Expected value is the anticipated value for an investment at some point in the future and is an important concept for investors seeking to balance risk with reward.

A random variable is one whose value is unknown or a function that assigns values to each of an experiment’s outcomes. A random variable can be discrete or continuous.

The expected number of zeros is evaluated by applying a formula of independent interest for the expected absolute value of quadratic forms of Gaussian random variables. This monthly journal, begun in ...