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Statistics Key Words

Culan O'Meara

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1. okruh

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Graduate Record Examination (GRE) Statistics Flashcards on 1. okruh, created by David Klingenber on 31/05/2016.

Flashcards by David Klingenber, updated more than 1 year ago

	Created by David Klingenber almost 9 years ago

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Resource summary

Question	Answer
Hustota exp. rozdělení	$f(x) = \lambda e^{-λx}$
Střední hodnota exp. rozdělení	$E(x) = \frac{1}{\lambda}$
Rozptyl exp. rozdělení	$varX = \frac{1}{\lambda^2}$
Hustota normálního rozdělení	$f(x) = \frac{1}{\sqrt{2\pi}\sigma}e^{-\frac{(x-\mu)^2}{2\sigma^2}}$
Střední hodnota normálního rozdělení	$E(x) = \mu$
Rozptyl normálního rozdělení	$varX = \sigma^2$
Podmíněná pravděpodobnost	$P(A\|B) = \frac{P(A \cap B)}{P(B)}$

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