Question: X X is a discrete random variable with a probability function which is a member of the( a , b , 0 ) (a,b,0) class

X

X

is a discrete random variable with a probability function which is a member of the(

a

,

b

,

0

)

(a,b,0)

class of distributions.

You are given:

i)Pr

(

X

=

0

)

=

0.421875

Pr(X=0)=0.421875

ii)Pr

(

X

=

1

)

=

0.316406

Pr(X=1)=0.316406

iii)Pr

(

X

=

2

)

=

0.158203

Pr(X=2)=0.158203

CalculateE

(

X

4

)

E(X4)

.

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