Suppose your expectations regarding the stock price are as follows:

Use the equations $E(r)={}_{s}p(s)r(s)$ and ${}^2={\displaystyle \underset{s}{\overset{?}{}}}p(s)[r(s)-E(r){]}^2$ to compute the mean and standard deviation of the HPR on

stocks. $($Do not round intermediate calculations. Round your answers to $2$ decimal places.$)$