1) A portfolio is composed of two stocks, A and B. Stock A has a standard deviation of return of 19% while stock B has a standard deviation of return of 15%. The correlation coefficient between the returns on A and B is 0.53. Stock A comprises 49% of the portfolio while stock B comprises the rest. What is the standard deviation of the return on this portfolio?

Enter answer in percents, to two decimal places.

2) A project will double your investment in one year with probability 0.39, otherwise you'll lose half of your investment. What is the standard deviation of this investment?

Enter answer in percents, to two decimal places.