stat 390 - discrete random variable distributions
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Last updated 10:41 PM on 10/28/22
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13 Terms
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bernoulli distribution
a distribution of a SINGLE bernoulli trial, so has 2 outcomes
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bernoulli expression
Ber(p)
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binomial distribution
a frequency distribution of n successes
(totalling bernoulli trials) w same probability of success
(totalling bernoulli trials) w same probability of success
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sampling with replacement
binomial
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sampling without replacement
hypergeometric
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binomial expression
bin(n, p)
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hypergeometric distribution
distribution of a variable that has two outcomes when probability changes due to no replacement
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hypergeometric expression
HyperGeo(N, M, n)
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geometric distribution
distribution that models the waiting time till the first success occurs at a given trial number
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geometric expression
geo(p)
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possion distribution
distribution that models independent, constant (p), and rare events
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possion expression
pos(λ)
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E[X] using pmf
Note 
Flashcards (46)