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JEEMAIN and NEET
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JEEMAIN PAST PAPERS
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2009
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Q)
In a binomial distribution $B ( n, p = \frac{1}{4})$, if the probability of at least one success is greater than or equal to $\frac{9}{10}$, then $n$ is greater than
( A ) $\frac{4}{\log_{10}^4 - \log_{10}^3}$
( B ) $\frac{1}{\log_{10}^4 + \log_{10}^3}$
( C ) $\frac{1}{\log_{10}^4 - \log_{10}^3}$
( D ) $\frac{9}{\log_{10}^4 - \log_{10}^3}$
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