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If $X$ is a binomial variate with the range $\{0,1,2,3,4,5,6\}$ and $P(X=2)=4P(X=4),$ then the parameter p of X is :

\[\begin {array} {1 1} (1)\;\frac{1}{3} & \quad (2)\;\frac{1}{2} \\ (3)\;\frac{2}{3} & \quad (4)\;\frac{3}{4} \end {array}\]

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answered Nov 7, 2013 by pady_1
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