Question $1$: In order to fund her retirement, Michele requires a portfolio with an expected return

of $0\mathrm{.}10$ per year over the next $30$ years. She has decided to invest in Stocks $1,2,$ and

$3,$ with $25$ percent in Stock $1,50$ percent in Stock $2,$ and $25$ percent in Stock $3.$ If

Stocks $1$ and $2$ have expected returns of $0\mathrm{.}10$ and $0\mathrm{.}09$ per year, respectively, then

what is the minimum expected annual return for Stock $3$ that will enable Michele to

achieve her investment requirement? Round to

two decimal places

Question $2$: The risk per unit of return is measured by the:

coefficient of variation

median.

variance.

standard deviation