Returns and standard deviations: Consider the following:
State of economy
|
Probability of state economy
|
Rate of Return if state occurs Stock A
|
Rate of Return if state occurs Stock B
|
Rate of Return if state occurs Stock C
|
Recession
|
.20
|
.30
|
.45
|
.33
|
Good
|
.40
|
.12
|
.10
|
.15
|
Poor
|
.30
|
.01
|
-.15
|
-.05
|
Bust
|
.10
|
-.20
|
-.30
|
-.09
|
1. Your portfolio is invested 40 percent each in A and C and 20 percent in B. what is the expected rate of return of the portfolio?
2. What is the variance of this portfolio? The standard Deviation?