Answer:
Risk on stock is 21.4%
Step-by-step explanation:
Expected return on phoenix stock =
= - 20% ×0.25 + 0%×0.30 + 20%×0.25 + 40%×0.20
= - 5% + 0% + 5% + 8%
= 8%
Risk on stock is calculated as
Risk = [0.25(-20% -8%)^2 +0.30(0%-8%)^2 + 0.25(20% - 8%)^2 + 0.20(40% - 8%)^2]^{1/2}
[tex]= [0.25\times 784 + 0.30\times 64 + 0.25\times 144 + 0.20\times 1024]^{1/2}[/tex]
[tex]= [196 + 19.20 + 36 + 204.80]^{1/2}[/tex][tex]= 456^{1/2}[/tex]
=21.4%