1.

You have been following a stock for 3 months and the following is its past return

Year 1: 8%

Year 2: 16%

Year 3: 7%

What is the standard deviation of the stock based on the historical data? (Put the answer in decimal points instead of percentage)

2.

The returns of a mutual fund manager for the past 3 years are the following:

Year 1: 5%

Year 2: 12%

Year 3: -2%

What is the geometric average return of the fund for the past three years? Put return in decimal points instead of percentage.

3. Your investment has a 30% chance of earning a 11% rate of return, a 40% chance of earning a 11% rate of return and a 30% chance of earning -7%. What is the standard deviation on this investment? (Put your answers in decimal points instead of percentage)