A stock can either return -10% in recession or a +20% when the economy is doing well. If both possibilities are equally likely what is the expected return and standard deviation. If the T.Bill rate is 5% and investors conlude that that the stock is neither overpriced or underpriced )priced right), what must be the market risk of the stock. Explain.

A stock can either return 10% in recession or a +20% when the economy is doing well. If both possibilities are equally likely what is the expected return and standard deviation. If the T.Bill rate is 5% and investors conlude that that the stock is neither overpriced or underpriced )priced right), what must be the market risk of the stock. Explain