A random variable that can take only a certain specified set of individual possible values-for example, the positive integers 1, 2, 3, . . . For example, stock prices are discrete random variables, ...

SPERMATOZOA are usually thought to swim in random directions in their suspending medium, seminal plasma, sea water, Krebs–Henseleit–Ringer solution, etc., unless, as in the spermatozoa of many plants ...

Adam Hayes, Ph.D., CFA, is a financial writer with 15+ years Wall Street experience as a derivatives trader. Besides his extensive derivative trading expertise, Adam is an expert in economics and ...