Hello tutor! Just these three, please!

1)Calculate the standard deviation for the following company based on the forecasts given.

Economic condition	Probability	Return forecast
Expansion	20%	13%
Normal	60%	5%
Recession	20%	-14%

Provide your answer in percent, rounded to two decimals, omitting the % sign.

2) As a financial adviser, you are recommending a well-diversified fund with an expected rate of return of 17% and a standard deviation of 39% to your clients. A client would like to split her investment between your fund and T-bills so that her standard deviation is no more than 27%. What will be her expected return? T-bill's yield 3%. Provide your answer in percent rounded to two digits, omitting the % sign.

3)

Assume that you manage a risky portfolio with an expected rate of return of 15% and a standard deviation of 25%. The T-bill rate is 3% . Suppose your risky portfolio includes the following investments in the given proportions.

Dell	50%
Apple	30%
HP	20%

What are the investment proportions of your clients overall portfolio, including the position in T-bills, if your client's risk aversion coefficient is 3?

- A. B. C. D.	Dell
- A. B. C. D.	Apple
- A. B. C. D.	HP
- A. B. C. D.	T-Bill

A.	32%
B.	19.2%
C.	12.8%
D.	36%