You may need to use the appropriate appendix table to answer this question.

The average return for large$-$cap domestic stock funds over three years was $14\mathrm{.}4\%.$ Assume the three$-$year returns were normally distributed across funds with a standard deviation of $4\mathrm{.}4\%.$

What is the probability an individual large$-$cap domestic stock fund had a three$-$year return of at least $19\%?($Round your answer to four decimal places.$)$

How big does the return have to be to put a domestic stock fund in the top $10\%$ for the three$-$year period? $($Round your answer to two decimal places.$)$