both for a like! thanks!

You find that a certain stock had returns of 14% 22% -10% 41%, and 4% in the last five years. What is the standard deviation of the returns? (Round to 6 places after decimal) QUESTION 10 You have $20,000 to invest into Stock A Stock B, and a risk-free asset Stock A has a 13% expected rolum and a 0.75 bola Stock Bhas an 18% expected rotumn and a 121 beta The risk free rate is 325%. You wish to create a portfolio that is equally as risky as the market and you will invest $10,000 in Stock A What is the expected return of your portfolio