The return on shares of Valley Transporter is predicted under the following various economic conditions: Recession -0.12 Normal +0.09 Boom +0.20 If each economy state has the same probability of occurring, what is the variance of the stock?

The return on shares of the Orange Company are predicted under the following states of nature. The states of nature are all equally likely, and because there are a total of three states, each state has a 33.333% chance of occurring. Recession -0.11 Normal +0.05 Boom +0.24 What is the standard deviation of Orange?

Toyota Corp.'s stock is $32 per share. Its expected return is 24% and variance is 12%. Honda Corp.'s stock is $20 per share. Its expected return is 19% and variance is 7%. Benz Corp.'s stock is $45 per share. Its expected return is 12% and variance 7%. What would be the expected return of a portfolio consisting of 50% Toyota and 50% Honda?