1

X=f(e)SX

,

_1345485568.unknown

_1345485569.unknown

_1345485570.unknown

_1345485554.unknown

_1345485837.unknown

2

()

X

c.

3p0

Ai={i}P(Ai)=pi=1,2,3 A1,A2,A3

01 (p+q=1,p>0,q>0)Xp0-1.X01

S01

01

,A,P(A)=p,(0

nE ,p(A)=p,0

n:nA={1}

52nA={}

AnXXp

Ai={ iA }n=3

,10255p.

A={} XY2.Xb(10,p)Yb(5,p){X=i}{Y=j}

(Poisson)XX

(1)13 (2)543

200110003

XX

ababN,nXX

XpX

p0

X(r,p).X

p0

pSXX(S,p)

3

p>0,q>0,q+p=1.

A,BA,B3A,B1/4A,BAX X

4 :X X

X (1)c (2) X (3) k

X15Y(1)Y;(2)Y

XX(a,b)XU(a,b)

1(-1,2)XX 210100

1 X(-1,2)210Y0

>0XX

X

X

() ()

XX

aX 1a0.0052a0.0085

()(1)=100=297.8cm(2)=10090%(97,103)

X 2540033350

5 X Y

X Y=g(X)Y

(Y=0)(X=0)(Y=1)(X=1)(X=-1)Y0,1

XY=

X,Y

Y(0,16)

XY=g(X)Y

Y=2X,Z=X2,Y,Z

Y-2,0,2 Z0,1(Y=-2)(X=-1)(Z=1)(X=1)(X=-1)

X~U(-1, 2)

X~N(0, 1)

!