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standard deviation of $11$ percent. Round your answers to one decimal place.

a$.$ If you invest $48$ percent of your funds in Koch stock and $52$ percent in Uptown stock, what is the expected return on your portfolio? $\%$

b$.$ What is the expected risk of this portfolio if the returns for the two stocks have

A Derfect positive correlation $(+1\mathrm{.}0)?\%$

ii$.$ A slightly negative correlation $(-0\mathrm{.}2)?\%$