What does CD-ROM mean? CD-ROM, compact disc read-only memory (noun) a compact disk that is used with a computer (rather than with an audio system); a large amount of digital information can be stored and accessed but it cannot be altered by the user
The average life, also referred to as the âweighted average lifeâ or âweighted average maturityâ or âWAM,â is a reflection of the rapidity with which the principal of an issue is expected to be paid.
It is denoted by e x {\displaystyle e_{x}} , which means the mean number of subsequent years of life for someone now aged x {\displaystyle x} , according to a particular mortality experience. Longevity, maximum lifespan, and life expectancy are not synonyms. Life expectancy is defined statistically as the mean number of years remaining for an individual or a group of people at a given age. Longevity refers to the characteristics of the relatively long life span of some members of a population.