Hello tutor! Just these three, please!

1)Calculate the standard deviation for the following companybased 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 awell-diversified fund with an expected rate of return of 17% and astandard deviation of 39% to your clients. A client would like tosplit her investment between your fund and T-bills so that herstandard deviation is no more than 27%. What will be her expectedreturn? T-bill's yield 3%. Provide your answer in percent roundedto two digits, omitting the % sign.

3)

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

Dell	50%
Apple	30%
HP	20%

What are the investment proportions of your client’s overallportfolio, including the position in T-bills, if your client's riskaversion 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%