Examlex
Individual nerve cells increase the frequency of neural impulses in the auditory nerve by firing in rapid succession. This is said to illustrate
Lucky Event
An unexpected occurrence that can have a positive impact on an investment or market outcome, often beyond the investor's control.
Selection Bias
The bias that results from the way in which observations are selected for analysis, leading to results that are not representative of the population being studied.
Random Walk
Describes the notion that stock price changes are random and unpredictable.
Submartingale
A type of stochastic process where the conditional expected future value of the process is at least equal to the present value.
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