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Definitions and Other Formulae Cheat Sheet (DRAFT) by

This is a draft cheat sheet. It is a work in progress and is not finished yet.

Permut­ations

Combin­ations

Condit­ional

Law of Total Probab­ility

Bayes Rule

Multiple Indepe­ndence

Probab­ility Mass Function pmf

Cumulative Distri­bution Function cdf

Properties of CDF

Probab­ility Density Function pdf

Expect­ation of a Discrete RV

Expect­ation of a Continuous RV

Variance of any RV

Standard Deviation of any RV

Expect­ation Properties

Variance Properties

Bernoulli Distri­bution

Binomial Distri­bution

Hyperg­eom­etric Distri­bution

Geometric Distri­bution

Geometric Distri­bution: Memoryless Property

Poisson Distri­bution

Poisson Distri­bution: Property