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X is a random variable with distribution...

X is a random variable with distribution given below
`{:(x:,0,1,2,3),(P(X=x):,k,3k,3k,k):}`
The value of k and its variance are

A

`1//8, 22//27`

B

`1//8, 23//27`

C

`1//8, 24//27`

D

`1//8, 27//36`

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The correct Answer is:
D
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DIPTI PUBLICATION ( AP EAMET)-THEORETICAL DISTRIBUTIONS-EXERCISE 1 (CHOOSE THE CORRECT ANSWER FROM THE ALTERNATIVE 1,2,3 OR 4 GIVEN )
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