A certain stock, whose returns follow the normal distribution, has an expected return of $12\%$ and an expected standard deviation of returns of $6\%.$ The stock's actual return is $30\%.$ This result would be expected to occur, purely by chance, about

$0\%$ of the time $($never$)$

$0\mathrm{.}135\%$ of the time

$15\mathrm{.}865\%$ of the time

$2\mathrm{.}275\%$ of the time

$0\mathrm{.}27\%$ of the time