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The p.m.f. of a r.v. X is as follows : ...

The p.m.f. of a r.v. X is as follows :
`P(X=0)=3k^(3),P(X=1)=4k-10k^(2),P(X=2)=5k-1`,
`P(X=x)=0" for any other values of x, then k ="`

A

1

B

`1/2`

C

`1/3`

D

`1/4`

Text Solution

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The correct Answer is:
C
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