Stocks A and $B$ have the following returns:

a$.$ What are the expected returns of the two stocks?

b$.$ What are the standard deviations of the returns of the two stocks?

c$.$ If their correlation is $0\mathrm{.}46,$ what is the expected return and standard deviation of a portfolio of $70\%$ stock A and $30\%$

stock B$?$

The expected return for stock $B$ is $0\mathrm{.}024.($Round to three decimal places.$)$

b$.$ What are the standard deviations of the returns of the two stocks?

The standard deviation of the return for stock $A$ is $0\mathrm{.}0738.($Round to four decimal places.$)$

The standard deviation of the return for stock B is $.($Round to four decimal places.$)$

c$.$ If their correlation is $0\mathrm{.}46,$ what is the expected return and standard deviation of a portfolio of $70\%$ stock A and $30\%$

stock B$?$

The expected return for the portfolio is $0\mathrm{.}0562.($Round to four decimal places.$)$