chapter 4 - binomial coefficients

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Chapter 4Binomial Coefficients

4.1 Binomial Coefficient Identities4.2 Binomial Inversion Operation4.3 Applications to Statistics4.4 The Catalan Recurrence

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2 Chapter 4 Binomial Coefficients

4.1 BINOMIAL COEFF IDENTITIES

Table 4.1.1

Section 4.1 Binomial Coeff Identities 3

4 Chapter 4 Binomial Coefficients

Combinatorial vs. Algebraic Proofs

Symmetry

Section 4.1 Binomial Coeff Identities 5

Row-Sum Property

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Column-Sum Property

Section 4.1 Binomial Coeff Identities 7

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Diagonal-Sum Properties

Section 4.1 Binomial Coeff Identities 9

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Section 4.1 Binomial Coeff Identities 11

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Products of Binomial Coefficients

Section 4.1 Binomial Coeff Identities 13

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Section 4.1 Binomial Coeff Identities 15

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Vandermonde Convolution

Section 4.1 Binomial Coeff Identities 17

Summary of Binomial Coeff Identities

Table 4.1.2

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Parity of Binomial Coefficients

Section 4.1 Binomial Coeff Identities 19

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Section 4.1 Binomial Coeff Identities 21

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Section 4.1 Binomial Coeff Identities 23

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Section 4.2 Binomial Inversion 25

4.2 BINOMIAL INVERSION

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Section 4.2 Binomial Inversion 27

Some Basic Examples of Inversions

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Section 4.2 Binomial Inversion 29

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Section 4.2 Binomial Inversion 31

Derangements

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Section 4.2 Binomial Inversion 33

More Examples of Inversions

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Section 4.2 Binomial Inversion 35

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4.3 APPLICATIONS TO STATISTICS

Probability and Random Variables

Section 4.3 Applications to Statistics 37

Mean and Variance

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Section 4.3 Applications to Statistics 39

Binomial Distribution

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Section 4.3 Applications to Statistics 41

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Section 4.3 Applications to Statistics 43

Unbiased Estimator of the Mean

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Section 4.3 Applications to Statistics 45

Unbiased Estimator of the Variance

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Section 4.3 Applications to Statistics 47

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4.4 THE CATALAN RECURRENCE

Binary Trees

Section 4.4 The Catalan Recurrence 49

Fig 4.4.1

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Fig 4.4.2

Section 4.4 The Catalan Recurrence 51

Nested Parentheses

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Subdiagonal Paths

Fig 4.4.3

Section 4.4 The Catalan Recurrence 53

Solving the Catalan Recurrence

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Section 4.4 The Catalan Recurrence 55

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Generalized Binomial Theorem

Section 4.4 The Catalan Recurrence 57

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Alternative Proof of the Catalan Formula

Section 4.4 The Catalan Recurrence 59

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Section 4.4 The Catalan Recurrence 61

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