You form a complete portfolio by investing 30% of your portfolio in a risky portfolio that has an expected rate of return of 9% and a standard deviation of 19%, and the rest in T-bill with a 2% rate....

You form a complete portfolio by investing 30% of your portfolio in a risky portfolio that has an expected rate of return of 9% and a standard deviation of 19%, and the rest in T-bill with a 2% rate. What is the standard deviation of your complete portfolio? Enter your answer as a decimal number, rounded to three decimal places.