Consider the data provided in the data below for a portfolio of assets A and B$.$ The correlation of returns of the two assets is $0\mathrm{.}43.$ What is the standard deviation of the portfolio?

Asset A

Portfolio weight: $0\mathrm{.}55,$ Standard deviation $0\mathrm{.}38,$ variance $0\mathrm{.}1444$

Asset B

Portfolio weight: $0\mathrm{.}45,$ standard deviation: $0\mathrm{.}39,$ variance $0\mathrm{.}1521$

Express your answer in decimal form rounded to four decimal places $($i$.$e$.,0\mathrm{.}1234).$

Standard deviation $=$