You recently purchased a stock that is expected to earn 33 percent in a booming economy, 13 percent in a normal economy, and lose 40 percent in a recessionary economy. There is a 15 percent...

You recently purchased a stock that is expected to earn 33 percent in a booming economy, 13

percent in a normal economy, and lose 40 percent in a recessionary economy. There is a 15

percent probability of a boom and a 60 percent chance of a normal economy. What is standard

deviation on this stock?