A stock has an expected return of $6\mathrm{.}65\%$ and a standard deviation of $13\mathrm{.}51\%.$ Compute the following for this stock. $($Please write all answers as percentages $($e$.$g$.\mathrm{.}1234$ should be written as $12\mathrm{.}34)$:

Upper range of $68\%$ confidence interval: $\%$

Lower range of $68\%$ confidence interval: $\%$

Upper range of $95\%$ confidence interval: $\%$

Lower range of $95\%$ confidence interval: $\%$

Upper range of $99\%$ confidence interval: $\%$

Lower range of $99\%$ confidence interval: $\%$