discrete random variables
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9 Terms
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PMF
Pr(X=x)
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the sum of all probabilities
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3
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non-negative
the probability of any realization of a value in the support must be
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CDF
Pr(X ≤ x)
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Survival function (SF)
Pr(X > x)
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expected value
xpx(x)
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variance
(x-µx)²px(x) OR E(X²) - E(X)²
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Bernoulli expected value
1 x p + 0 x (1-p)
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Bernoulli variance
1² x p + 0² x (1-p)
Note 
Flashcards (39)