Assume the returns from holding an asset are normally distributed. Also assume the average annual return for holding the asset a od of time was $15\mathrm{.}9$ percent and the standard deviation of this asset for the period was $33\mathrm{.}8$ percent. Use the NORMDIST functior $x$ xel ${?}^{}$ to answer the following questions.

a$.$ What is the approximate probability that your money will double in value in a single year?

Note: Do not round intermediate calculations and enter your answer as a percent rounded to $3$ decimal places, e$.$g$.,32\mathrm{.}161.$

b$.$ What is the approximate probability that your money will triple in value in a single year?

Note: Do not round intermediate calculations and enter your answer as a percent rounded to $8$ decimal places, e$.$g$.,32\mathrm{.}16161616.$