Examlex
Why might a company invest in brandfests, and how is this related to the concept of lifetime value of a customer?
Variance
A measure of the dispersion of a set of data points around their mean; mathematically, it is the average of the squared differences from the mean.
Random Variable
A variable that assumes numerical outcomes as a result of random events.
Constant
A value that remains unchanged throughout the execution of a process or formula.
Poisson Random Variable
A random variable that represents the number of events occurring in a fixed interval of time or space, where these events occur with a known constant mean rate and independently of the time since the last event.
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