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For a binomial variate X with n=6, if P(...

For a binomial variate X with `n=6`, if `P(X=2)=9P(X=4)`, then its variance is

A

`8//9`

B

`1//4`

C

`9//8`

D

`1//8`

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The correct Answer is:
C
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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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