Problem 15 Intro A stock delivered the following annual returns over the last 4 years: Year 1 2 3 4 Return 8% 3% -8% 4% Part 1 1 B Attempt 1/10 for 10 pts. What was the arithmetic average return over the 4 years? 4+ decimals Submit IB Attempt 1/10 for 10 pts. Part 2 What was the geometric average return over the 4 years? 4+ decimals Submit 1 B | Attempt 1/10 for 10 pts. Part 3 If you invested $1,000 at the beginning, how much would you have had at the end? 0+ decimals Submit Part 4 - Attempt 1/10 for 10 pts. What is the expected standard deviation of the stock's return based on the historical data? 3+ decimals Submit