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Marginal PMF
For discrete variables:
$$p_X(x)=\sum_yp_{X,Y}(x,y)$$
Usage
- Used to obtain a marginal distribution from a joint PMF.
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Marginal PMF
For discrete variables:
$$p_X(x)=\sum_yp_{X,Y}(x,y)$$
Usage
- Used to obtain a marginal distribution from a joint PMF.
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