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Home  >>  JEEMAIN and AIPMT  >>  Mathematics  >>  Class12  >>  Probability
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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

$\begin {array} {1 1} (A)\;\large\frac{1}{3} & \quad (B)\;\large\frac{1}{2} \\ (C)\;\large\frac{2}{3} & \quad (D)\;\large\frac{3}{4} \end {array}$


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Here $n=6$
According to the question
$P=\large\frac{1}{3}\: \: \: P=-1$ [ P can not be negative ]
Ans : (A)
answered Jan 16, 2014 by thanvigandhi_1

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