What is the expected return , variance , and standard deviation of the returns on a portfolio that is invested 60 percent in stock S and 40 percent in stock T?

		Return in State
State	Probability of State	Stock S	Stock T
Boom	40%	20%	19%
Normal	60%	3%	5%

For expected return, indicate your answer as a two-decimal percentage. For example, 4.56%

For variance, indicate your answer as a four-decimal number. For example, 0.0045

For standard deviation, indicate your answer a two-decimal percentage. For example, 12.67%

can you explain with steps no calculator