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Questions  >>  JEEMAIN and NEET  >>  Mathematics  >>  Class12  >>  Probability
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Q)

In a binomial distribution the mean is 15 and variance is 10, then parameter $n$ is

$\begin {array} {1 1} (A)\;28 & \quad (B)\;16 \\ (C)\;45 & \quad (D)\;25 \end {array}$

 

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