# In a binomial distribution

Question:

In a binomial distribution $\mathrm{B} \mid \mathrm{f}, \mathrm{p}=\frac{1}{4} \mathrm{~h}$, if the probability of at least one success is greater than or

equal to $\frac{9}{10}$, then $\mathrm{n}$ is greater than

1. $\frac{9}{\log _{10} 4-\log _{10} 3}$

2. $\frac{4}{\log _{10} 4-\log _{10} 3}$

3. $\frac{1}{\log _{10} 4-\log _{10} 3}$

4. $\frac{1}{\log _{10} 4+\log _{10} 3}$

Correct Option: , 3

Solution: