1.

In a binomial distribution \[B\left( n,p=\frac{1}{4} \right)\], if the probability of at least one success is greater than or equal to \[\frac{9}{10}\], then n is greater than:

A. \[\frac{1}{{{\log }_{10}}4+{{\log }_{10}}3}\]
B. \[\frac{9}{{{\log }_{10}}4-{{\log }_{10}}3}\]
C. \[\frac{4}{{{\log }_{10}}4-{{\log }_{10}}3}\]
D. \[\frac{1}{{{\log }_{10}}4-{{\log }_{10}}3}\]
Answer» E.


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