Suppose that a security costs $3,000 today and pays off some amount b in one year. Suppose that b is uncertain according to the following table of probabilities: b: $3,000 $3,300 $3,600 $3,900 $4,200 Probability: 0.1 0.2 0.3 0.2 0.2
Calculate the expected return. Show your work.
Calculate the standard deviation of the return. Show your work.