Use the following information to answer the questions below: Calculate expected return and standard deviation for both stocks

Use the following information to answer the questions below: Stock A Return 1000 500 200 -500 Stock B Probability 0.3 0.2 0.2 0.2 0.1 Return 1500 70 0 3% -800 -1400 Probability 0.3 0.1 0.1 0.2 0.3 Calculate expected return and standard deviation for both stocks.