5 Questions
What notation is commonly used for random variables?
Upper case roman letters
How is a cumulative probability formally written?
$P(X extless x)$
What does $P(X extless x)$ represent?
The probability that X is less than x
What does the notation $P(X extless x)$ help differentiate?
The random variable from its realization
What does $ extstyle x_{1},x_{2}, extellipsis ,x_{n}$ represent?
Particular realizations of a random variable
Test your knowledge of probability theory and statistics conventions with this quiz. Identify commonly used notations and symbols for random variables and realizations.
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