B5. (Expected return and risk) General Eclectic Corporation is considering three possible capital investment projects. The projected returns depend on the future state of the economy as given here.
a. find out each project's expected return, variance, and standard deviation.
b. Rank the projects on the basis of (1) expected return and (2) risk. Which project would
you choose?
PROJECTED RETURN

State of the Probability of
Economy Occurrence 1 2 3

Recession 0.20 10% 8% 12%

Stable 0.60 15 13 10

Boom 0.20 21 25 8