Consider the following information:

a$.$ Your portfolio is invested $25$ percent each in Stocks A and $C$ and $50$ percent in Stock $B.$ What is the expected return of the portfolio?

$($Do not round Intermedlate calculations. Enter your answer as a percent rounded to $2$ decimal places.$)$

Answer is complete and correct.

b$-1.$ What is the variance of this portfolio? $($Do not round Intermedlate calculatlons. Round your answer to $3$ decimal places.$)$

Answer is complete but not entirely correct.

Variance

b$-2.$ What is the standard deviation? $($Do not round Intermedlate caleulations. Enter your answer as a percent rounded to $2$ decimal

places.$)$

Answer is complete but not entirely correct.