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Stats forumulas
Stats Formulas
9
Mathematics
Undergraduate 3
04/03/2012
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Additional Mathematics Flashcards

 

 

Cards

Term
Binomial Formula
 Definition

(n)

                (k) pk (1-p)n-k
Term
Expected Value (discrete)
 Definition
sum of all values times their probabilities.
Term
Variance
 Definition
Sum of (Every k minus mu) times their probablities.
Term
n choose k
 Definition

n (the number of total choices)!

over

(number being chosen)! (choices minus chosen)

Term
Geometric uniform on a<x<b c<y<d
 Definition
1/ (b-a)(d-c)
Term

Y=aX+b

 

 Definition

fy(y) 1

abs val (a)

 

times fx((y-b)/a)
Term

W=X+Y

 

Pdf

 Definition
fw(w)=INT (fx(x)fy(w-x)dx
Term

W=XY

pdf

 Definition
INT (1/(abs val x) fx(x)fy(w/x) dx
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