Examlex
Independent trials are those in which the results for one trial have no effect on what happens in subsequent trials.
Marginal Probability
The probability of an event occurring, regardless of the outcomes of other variables; it is calculated by summing the probabilities of the event across all values of the other variables.
E(X + Y)
The expected value of the sum of two random variables, equal to the sum of their individual expected values.
Covariance
A measure that indicates the extent to which two variables change together, but does not indicate the strength of their relationship.
Independent
Not influenced by or dependent on another variable; in statistics, it often means that the occurrence of one event does not affect the probability of another event.
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