Examlex
The words science and technology are often used incorrectly as synonyms.Distinguish these two terms.Use an example of each.
Discrete Random Variable
A variable that takes on countable values, each with a certain probability.
E(x)
The expected value of a random variable x, representing the mean or average outcome.
Variance
A measure of how much values in a dataset differ from the mean of the dataset, indicating the spread of data points.
Discrete Probability Distribution
A statistical function that describes the probability of occurrence of each value of a discrete random variable.
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