A discrete variable that can often be used to describe the number of occurrences of an event over a specified interval of time or space is a ___________ random variable.
A)Poisson
B)Discrete
C)Hypergeometric
D)Continuous

Question

Quizplus · Accepted Answer

A Poisson random variable is commonly used to describe the number of occurrences of an event over a specified interval of time or space. It is a discrete random variable that assumes values from 0 to infinity, and the mean and variance of a Poisson distribution are equal.

A Discrete Variable That Can Often Be Used to Describe